210621310

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{489817}}^1$

素因数の和:489867

約数の個数: 16

約数和(自身を含む): 387935856

約数和(自身を除く): 177314546

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 489817, 979634, 2449085, 4898170, 21062131, 42124262, 105310655, 210621310]

約数ペア:

[(1, 210621310), (2, 105310655), (5, 42124262), (10, 21062131), (43, 4898170), (86, 2449085), (215, 979634), (430, 489817)]