21939676

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{2069}}^1$

素因数の和:2325

約数の個数: 24

約数和(自身を含む): 42078960

約数和(自身を除く): 20139284

約数列:

[1, 2, 4, 11, 22, 44, 241, 482, 964, 2069, 2651, 4138, 5302, 8276, 10604, 22759, 45518, 91036, 498629, 997258, 1994516, 5484919, 10969838, 21939676]

約数ペア:

[(1, 21939676), (2, 10969838), (4, 5484919), (11, 1994516), (22, 997258), (44, 498629), (241, 91036), (482, 45518), (964, 22759), (2069, 10604), (2651, 8276), (4138, 5302)]