21093820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{95881}}^1$

素因数の和:95901

約数の個数: 24

約数和(自身を含む): 48324528

約数和(自身を除く): 27230708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 95881, 191762, 383524, 479405, 958810, 1054691, 1917620, 2109382, 4218764, 5273455, 10546910, 21093820]

約数ペア:

[(1, 21093820), (2, 10546910), (4, 5273455), (5, 4218764), (10, 2109382), (11, 1917620), (20, 1054691), (22, 958810), (44, 479405), (55, 383524), (110, 191762), (220, 95881)]