21867428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{3049}}^1$

素因数の和:3227

約数の個数: 24

約数和(自身を含む): 42016800

約数和(自身を除く): 20149372

約数列:

[1, 2, 4, 11, 22, 44, 163, 326, 652, 1793, 3049, 3586, 6098, 7172, 12196, 33539, 67078, 134156, 496987, 993974, 1987948, 5466857, 10933714, 21867428]

約数ペア:

[(1, 21867428), (2, 10933714), (4, 5466857), (11, 1987948), (22, 993974), (44, 496987), (163, 134156), (326, 67078), (652, 33539), (1793, 12196), (3049, 7172), (3586, 6098)]