21421576

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{1063}}^1$

素因数の和:1309

約数の個数: 32

約数和(自身を含む): 44049600

約数和(自身を除く): 22628024

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 229, 458, 916, 1063, 1832, 2126, 2519, 4252, 5038, 8504, 10076, 11693, 20152, 23386, 46772, 93544, 243427, 486854, 973708, 1947416, 2677697, 5355394, 10710788, 21421576]

約数ペア:

[(1, 21421576), (2, 10710788), (4, 5355394), (8, 2677697), (11, 1947416), (22, 973708), (44, 486854), (88, 243427), (229, 93544), (458, 46772), (916, 23386), (1063, 20152), (1832, 11693), (2126, 10076), (2519, 8504), (4252, 5038)]