21080254

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{2927}}^1$

素因数の和:3219

約数の個数: 16

約数和(自身を含む): 34187328

約数和(自身を除く): 13107074

約数列:

[1, 2, 13, 26, 277, 554, 2927, 3601, 5854, 7202, 38051, 76102, 810779, 1621558, 10540127, 21080254]

約数ペア:

[(1, 21080254), (2, 10540127), (13, 1621558), (26, 810779), (277, 76102), (554, 38051), (2927, 7202), (3601, 5854)]