21755830

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1129}}^1$

素因数の和:1224

約数の個数: 32

約数和(自身を含む): 41005440

約数和(自身を除く): 19249610

約数列:

[1, 2, 5, 10, 41, 47, 82, 94, 205, 235, 410, 470, 1129, 1927, 2258, 3854, 5645, 9635, 11290, 19270, 46289, 53063, 92578, 106126, 231445, 265315, 462890, 530630, 2175583, 4351166, 10877915, 21755830]

約数ペア:

[(1, 21755830), (2, 10877915), (5, 4351166), (10, 2175583), (41, 530630), (47, 462890), (82, 265315), (94, 231445), (205, 106126), (235, 92578), (410, 53063), (470, 46289), (1129, 19270), (1927, 11290), (2258, 9635), (3854, 5645)]