2021201885

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{1663}}^1\times {\mathrm{5653}}^1$

素因数の和:7364

約数の個数: 16

約数和(自身を含む): 2483779584

約数和(自身を除く): 462577699

約数列:

[1, 5, 43, 215, 1663, 5653, 8315, 28265, 71509, 243079, 357545, 1215395, 9400939, 47004695, 404240377, 2021201885]

約数ペア:

[(1, 2021201885), (5, 404240377), (43, 47004695), (215, 9400939), (1663, 1215395), (5653, 357545), (8315, 243079), (28265, 71509)]