21570032

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{122557}}^1$

素因数の和:122576

約数の個数: 20

約数和(自身を含む): 45591576

約数和(自身を除く): 24021544

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 122557, 245114, 490228, 980456, 1348127, 1960912, 2696254, 5392508, 10785016, 21570032]

約数ペア:

[(1, 21570032), (2, 10785016), (4, 5392508), (8, 2696254), (11, 1960912), (16, 1348127), (22, 980456), (44, 490228), (88, 245114), (176, 122557)]