2100028028

素因数分解:

$2^2\times 7^1\times {\mathrm{75001001}}^1$

素因数の和:75001012

約数の個数: 12

約数和(自身を含む): 4200056112

約数和(自身を除く): 2100028084

約数列:

[1, 2, 4, 7, 14, 28, 75001001, 150002002, 300004004, 525007007, 1050014014, 2100028028]

約数ペア:

[(1, 2100028028), (2, 1050014014), (4, 525007007), (7, 300004004), (14, 150002002), (28, 75001001)]