21861796

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{2657}}^1$

素因数の和:2700

約数の個数: 36

約数和(自身を含む): 44542764

約数和(自身を除く): 22680968

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 121, 187, 242, 374, 484, 748, 2057, 2657, 4114, 5314, 8228, 10628, 29227, 45169, 58454, 90338, 116908, 180676, 321497, 496859, 642994, 993718, 1285988, 1987436, 5465449, 10930898, 21861796]

約数ペア:

[(1, 21861796), (2, 10930898), (4, 5465449), (11, 1987436), (17, 1285988), (22, 993718), (34, 642994), (44, 496859), (68, 321497), (121, 180676), (187, 116908), (242, 90338), (374, 58454), (484, 45169), (748, 29227), (2057, 10628), (2657, 8228), (4114, 5314)]