21132716

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{4663}}^1$

素因数の和:4781

約数の個数: 24

約数和(自身を含む): 40744704

約数和(自身を除く): 19611988

約数列:

[1, 2, 4, 11, 22, 44, 103, 206, 412, 1133, 2266, 4532, 4663, 9326, 18652, 51293, 102586, 205172, 480289, 960578, 1921156, 5283179, 10566358, 21132716]

約数ペア:

[(1, 21132716), (2, 10566358), (4, 5283179), (11, 1921156), (22, 960578), (44, 480289), (103, 205172), (206, 102586), (412, 51293), (1133, 18652), (2266, 9326), (4532, 4663)]