21247774

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{293}}^1\times {\mathrm{359}}^1$

素因数の和:755

約数の個数: 16

約数和(自身を含む): 32387040

約数和(自身を除く): 11139266

約数列:

[1, 2, 101, 202, 293, 359, 586, 718, 29593, 36259, 59186, 72518, 105187, 210374, 10623887, 21247774]

約数ペア:

[(1, 21247774), (2, 10623887), (101, 210374), (202, 105187), (293, 72518), (359, 59186), (586, 36259), (718, 29593)]