21224156

素因数分解:

$2^2\times {\mathrm{149}}^2\times {\mathrm{239}}^1$

素因数の和:541

約数の個数: 18

約数和(自身を含む): 37549680

約数和(自身を除く): 16325524

約数列:

[1, 2, 4, 149, 239, 298, 478, 596, 956, 22201, 35611, 44402, 71222, 88804, 142444, 5306039, 10612078, 21224156]

約数ペア:

[(1, 21224156), (2, 10612078), (4, 5306039), (149, 142444), (239, 88804), (298, 71222), (478, 44402), (596, 35611), (956, 22201)]