21760076

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{5297}}^1$

素因数の和:5393

約数の個数: 24

約数和(自身を含む): 41536320

約数和(自身を除く): 19776244

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 316, 1027, 2054, 4108, 5297, 10594, 21188, 68861, 137722, 275444, 418463, 836926, 1673852, 5440019, 10880038, 21760076]

約数ペア:

[(1, 21760076), (2, 10880038), (4, 5440019), (13, 1673852), (26, 836926), (52, 418463), (79, 275444), (158, 137722), (316, 68861), (1027, 21188), (2054, 10594), (4108, 5297)]