21105524

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{4657}}^1$

素因数の和:4775

約数の個数: 24

約数和(自身を含む): 40692288

約数和(自身を除く): 19586764

約数列:

[1, 2, 4, 11, 22, 44, 103, 206, 412, 1133, 2266, 4532, 4657, 9314, 18628, 51227, 102454, 204908, 479671, 959342, 1918684, 5276381, 10552762, 21105524]

約数ペア:

[(1, 21105524), (2, 10552762), (4, 5276381), (11, 1918684), (22, 959342), (44, 479671), (103, 204908), (206, 102454), (412, 51227), (1133, 18628), (2266, 9314), (4532, 4657)]