21354848

素因数分解:

$2^5\times {\mathrm{139}}^1\times {\mathrm{4801}}^1$

素因数の和:4950

約数の個数: 24

約数和(自身を含む): 42353640

約数和(自身を除く): 20998792

約数列:

[1, 2, 4, 8, 16, 32, 139, 278, 556, 1112, 2224, 4448, 4801, 9602, 19204, 38408, 76816, 153632, 667339, 1334678, 2669356, 5338712, 10677424, 21354848]

約数ペア:

[(1, 21354848), (2, 10677424), (4, 5338712), (8, 2669356), (16, 1334678), (32, 667339), (139, 153632), (278, 76816), (556, 38408), (1112, 19204), (2224, 9602), (4448, 4801)]