21729356

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{479}}^1\times {\mathrm{1031}}^1$

素因数の和:1525

約数の個数: 24

約数和(自身を含む): 41610240

約数和(自身を除く): 19880884

約数列:

[1, 2, 4, 11, 22, 44, 479, 958, 1031, 1916, 2062, 4124, 5269, 10538, 11341, 21076, 22682, 45364, 493849, 987698, 1975396, 5432339, 10864678, 21729356]

約数ペア:

[(1, 21729356), (2, 10864678), (4, 5432339), (11, 1975396), (22, 987698), (44, 493849), (479, 45364), (958, 22682), (1031, 21076), (1916, 11341), (2062, 10538), (4124, 5269)]