Hellow every one I used Two TF to do ChIP in Mouse tissues , ,I know usually we used unpaired end seq for ChIP but I used pair end seq. when i got the results, did mapping using Bowtie2 I got these strange results for mapping

7908233 reads: off these 7908233 (100%) were paried of these: 509677 (64.54%) aligned concordantly times 2186477 (27.65%) aligned concordantly exactly 624979 (7.90%) aligned concordantly >1 times ...... 5096777 pairs aligend concordantly times of these 1284864 (25.21%) aligned disconcordantly 1 times ......... 3811913 pairs aligned ) times concordanlty or disconcordtly 7623826 mates make up the pairs of these 6918974 (90%) aligend 0 times 262375 a(3.44 %) aligend exactly one time 442477 (5.80%) aligned >1 times 56.25 overall alignment rate .

I know that >70% unique mapping is normal but i could not understand these results what they explain and is it good mapping or not ? my seq resulty according to mapping is good or not

Peaks: Another thing is the Peak number when i find theh peaks number is very low like 244 for IgG and 222 for TF1 and 170 for TF2 and when i filter them against igG it goes further lower number my first question according to this situtaion is i think usually the peak number for TF across the genome is in thousands but its in hundards? second IgG seams to have higher peak number then the samples ?