21100444

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{1831}}^1$

素因数の和:1945

約数の個数: 24

約数和(自身を含む): 38369408

約数和(自身を除く): 17268964

約数列:

[1, 2, 4, 43, 67, 86, 134, 172, 268, 1831, 2881, 3662, 5762, 7324, 11524, 78733, 122677, 157466, 245354, 314932, 490708, 5275111, 10550222, 21100444]

約数ペア:

[(1, 21100444), (2, 10550222), (4, 5275111), (43, 490708), (67, 314932), (86, 245354), (134, 157466), (172, 122677), (268, 78733), (1831, 11524), (2881, 7324), (3662, 5762)]