21096280

素因数分解:

$2^3\times 5^1\times {\mathrm{527407}}^1$

素因数の和:527418

約数の個数: 16

約数和(自身を含む): 47466720

約数和(自身を除く): 26370440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 527407, 1054814, 2109628, 2637035, 4219256, 5274070, 10548140, 21096280]

約数ペア:

[(1, 21096280), (2, 10548140), (4, 5274070), (5, 4219256), (8, 2637035), (10, 2109628), (20, 1054814), (40, 527407)]