21212376

素因数分解:

$2^3\times 3^1\times {\mathrm{409}}^1\times {\mathrm{2161}}^1$

素因数の和:2579

約数の個数: 32

約数和(自身を含む): 53185200

約数和(自身を除く): 31972824

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 409, 818, 1227, 1636, 2161, 2454, 3272, 4322, 4908, 6483, 8644, 9816, 12966, 17288, 25932, 51864, 883849, 1767698, 2651547, 3535396, 5303094, 7070792, 10606188, 21212376]

約数ペア:

[(1, 21212376), (2, 10606188), (3, 7070792), (4, 5303094), (6, 3535396), (8, 2651547), (12, 1767698), (24, 883849), (409, 51864), (818, 25932), (1227, 17288), (1636, 12966), (2161, 9816), (2454, 8644), (3272, 6483), (4322, 4908)]