21313644

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2647}}^1$

素因数の和:2726

約数の個数: 48

約数和(自身を含む): 55163136

約数和(自身を除く): 33849492

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 61, 66, 122, 132, 183, 244, 366, 671, 732, 1342, 2013, 2647, 2684, 4026, 5294, 7941, 8052, 10588, 15882, 29117, 31764, 58234, 87351, 116468, 161467, 174702, 322934, 349404, 484401, 645868, 968802, 1776137, 1937604, 3552274, 5328411, 7104548, 10656822, 21313644]

約数ペア:

[(1, 21313644), (2, 10656822), (3, 7104548), (4, 5328411), (6, 3552274), (11, 1937604), (12, 1776137), (22, 968802), (33, 645868), (44, 484401), (61, 349404), (66, 322934), (122, 174702), (132, 161467), (183, 116468), (244, 87351), (366, 58234), (671, 31764), (732, 29117), (1342, 15882), (2013, 10588), (2647, 8052), (2684, 7941), (4026, 5294)]