21717010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{310243}}^1$

素因数の和:310257

約数の個数: 16

約数和(自身を含む): 44675136

約数和(自身を除く): 22958126

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 310243, 620486, 1551215, 2171701, 3102430, 4343402, 10858505, 21717010]

約数ペア:

[(1, 21717010), (2, 10858505), (5, 4343402), (7, 3102430), (10, 2171701), (14, 1551215), (35, 620486), (70, 310243)]