21731788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{14411}}^1$

素因数の和:14457

約数の個数: 24

約数和(自身を含む): 42371280

約数和(自身を除く): 20639492

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 377, 754, 1508, 14411, 28822, 57644, 187343, 374686, 417919, 749372, 835838, 1671676, 5432947, 10865894, 21731788]

約数ペア:

[(1, 21731788), (2, 10865894), (4, 5432947), (13, 1671676), (26, 835838), (29, 749372), (52, 417919), (58, 374686), (116, 187343), (377, 57644), (754, 28822), (1508, 14411)]