2021026975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{19391}}^1$

素因数の和:19791

約数の個数: 24

約数和(自身を含む): 2741253120

約数和(自身を除く): 720226145

約数列:

[1, 5, 11, 25, 55, 275, 379, 1895, 4169, 9475, 19391, 20845, 96955, 104225, 213301, 484775, 1066505, 5332525, 7349189, 36745945, 80841079, 183729725, 404205395, 2021026975]

約数ペア:

[(1, 2021026975), (5, 404205395), (11, 183729725), (25, 80841079), (55, 36745945), (275, 7349189), (379, 5332525), (1895, 1066505), (4169, 484775), (9475, 213301), (19391, 104225), (20845, 96955)]