21000688804

素因数分解:

$2^2\times {\mathrm{28019}}^1\times {\mathrm{187379}}^1$

素因数の和:215402

約数の個数: 12

約数和(自身を含む): 36752713200

約数和(自身を除く): 15752024396

約数列:

[1, 2, 4, 28019, 56038, 112076, 187379, 374758, 749516, 5250172201, 10500344402, 21000688804]

約数ペア:

[(1, 21000688804), (2, 10500344402), (4, 5250172201), (28019, 749516), (56038, 374758), (112076, 187379)]