21852404

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{10691}}^1$

素因数の和:10775

約数の個数: 24

約数和(自身を含む): 44307648

約数和(自身を除く): 22455244

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 10691, 21382, 42764, 74837, 149674, 299348, 780443, 1560886, 3121772, 5463101, 10926202, 21852404]

約数ペア:

[(1, 21852404), (2, 10926202), (4, 5463101), (7, 3121772), (14, 1560886), (28, 780443), (73, 299348), (146, 149674), (292, 74837), (511, 42764), (1022, 21382), (2044, 10691)]