21076364

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{677}}^1$

素因数の和:905

約数の個数: 24

約数和(自身を含む): 38005968

約数和(自身を除く): 16929604

約数列:

[1, 2, 4, 43, 86, 172, 181, 362, 677, 724, 1354, 2708, 7783, 15566, 29111, 31132, 58222, 116444, 122537, 245074, 490148, 5269091, 10538182, 21076364]

約数ペア:

[(1, 21076364), (2, 10538182), (4, 5269091), (43, 490148), (86, 245074), (172, 122537), (181, 116444), (362, 58222), (677, 31132), (724, 29111), (1354, 15566), (2708, 7783)]