21188848

素因数分解:

$2^4\times {\mathrm{313}}^1\times {\mathrm{4231}}^1$

素因数の和:4552

約数の個数: 20

約数和(自身を含む): 41194288

約数和(自身を除く): 20005440

約数列:

[1, 2, 4, 8, 16, 313, 626, 1252, 2504, 4231, 5008, 8462, 16924, 33848, 67696, 1324303, 2648606, 5297212, 10594424, 21188848]

約数ペア:

[(1, 21188848), (2, 10594424), (4, 5297212), (8, 2648606), (16, 1324303), (313, 67696), (626, 33848), (1252, 16924), (2504, 8462), (4231, 5008)]