21901562

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{5791}}^1$

素因数の和:5885

約数の個数: 16

約数和(自身を含む): 34473984

約数和(自身を除く): 12572422

約数列:

[1, 2, 31, 61, 62, 122, 1891, 3782, 5791, 11582, 179521, 353251, 359042, 706502, 10950781, 21901562]

約数ペア:

[(1, 21901562), (2, 10950781), (31, 706502), (61, 359042), (62, 353251), (122, 179521), (1891, 11582), (3782, 5791)]