21626505

素因数分解:

$3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{4253}}^1$

素因数の和:4377

約数の個数: 24

約数和(自身を含む): 37826568

約数和(自身を除く): 16200063

約数列:

[1, 3, 5, 9, 15, 45, 113, 339, 565, 1017, 1695, 4253, 5085, 12759, 21265, 38277, 63795, 191385, 480589, 1441767, 2402945, 4325301, 7208835, 21626505]

約数ペア:

[(1, 21626505), (3, 7208835), (5, 4325301), (9, 2402945), (15, 1441767), (45, 480589), (113, 191385), (339, 63795), (565, 38277), (1017, 21265), (1695, 12759), (4253, 5085)]