21760270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{310861}}^1$

素因数の和:310875

約数の個数: 16

約数和(自身を含む): 44764128

約数和(自身を除く): 23003858

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 310861, 621722, 1554305, 2176027, 3108610, 4352054, 10880135, 21760270]

約数ペア:

[(1, 21760270), (2, 10880135), (5, 4352054), (7, 3108610), (10, 2176027), (14, 1554305), (35, 621722), (70, 310861)]