21098698

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1\times {\mathrm{701}}^1$

素因数の和:953

約数の個数: 16

約数和(自身を含む): 32221800

約数和(自身を除く): 11123102

約数列:

[1, 2, 101, 149, 202, 298, 701, 1402, 15049, 30098, 70801, 104449, 141602, 208898, 10549349, 21098698]

約数ペア:

[(1, 21098698), (2, 10549349), (101, 208898), (149, 141602), (202, 104449), (298, 70801), (701, 30098), (1402, 15049)]