21618572

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{227}}^1\times {\mathrm{821}}^1$

素因数の和:1081

約数の個数: 24

約数和(自身を含む): 39357360

約数和(自身を除く): 17738788

約数列:

[1, 2, 4, 29, 58, 116, 227, 454, 821, 908, 1642, 3284, 6583, 13166, 23809, 26332, 47618, 95236, 186367, 372734, 745468, 5404643, 10809286, 21618572]

約数ペア:

[(1, 21618572), (2, 10809286), (4, 5404643), (29, 745468), (58, 372734), (116, 186367), (227, 95236), (454, 47618), (821, 26332), (908, 23809), (1642, 13166), (3284, 6583)]