21937828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{1091}}^1$

素因数の和:1563

約数の個数: 24

約数和(自身を含む): 42011424

約数和(自身を除く): 20073596

約数列:

[1, 2, 4, 11, 22, 44, 457, 914, 1091, 1828, 2182, 4364, 5027, 10054, 12001, 20108, 24002, 48004, 498587, 997174, 1994348, 5484457, 10968914, 21937828]

約数ペア:

[(1, 21937828), (2, 10968914), (4, 5484457), (11, 1994348), (22, 997174), (44, 498587), (457, 48004), (914, 24002), (1091, 20108), (1828, 12001), (2182, 10054), (4364, 5027)]