21853810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{18061}}^1$

素因数の和:18090

約数の個数: 24

約数和(自身を含む): 43240428

約数和(自身を除く): 21386618

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 18061, 36122, 90305, 180610, 198671, 397342, 993355, 1986710, 2185381, 4370762, 10926905, 21853810]

約数ペア:

[(1, 21853810), (2, 10926905), (5, 4370762), (10, 2185381), (11, 1986710), (22, 993355), (55, 397342), (110, 198671), (121, 180610), (242, 90305), (605, 36122), (1210, 18061)]