21160348

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{2657}}^1$

素因数の和:2853

約数の個数: 24

約数和(自身を含む): 40635504

約数和(自身を除く): 19475156

約数列:

[1, 2, 4, 11, 22, 44, 181, 362, 724, 1991, 2657, 3982, 5314, 7964, 10628, 29227, 58454, 116908, 480917, 961834, 1923668, 5290087, 10580174, 21160348]

約数ペア:

[(1, 21160348), (2, 10580174), (4, 5290087), (11, 1923668), (22, 961834), (44, 480917), (181, 116908), (362, 58454), (724, 29227), (1991, 10628), (2657, 7964), (3982, 5314)]