21132887908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{709}}^1\times {\mathrm{677423}}^1$

素因数の和:678147

約数の個数: 24

約数和(自身を含む): 40401567360

約数和(自身を除く): 19268679452

約数列:

[1, 2, 4, 11, 22, 44, 709, 1418, 2836, 7799, 15598, 31196, 677423, 1354846, 2709692, 7451653, 14903306, 29806612, 480292907, 960585814, 1921171628, 5283221977, 10566443954, 21132887908]

約数ペア:

[(1, 21132887908), (2, 10566443954), (4, 5283221977), (11, 1921171628), (22, 960585814), (44, 480292907), (709, 29806612), (1418, 14903306), (2836, 7451653), (7799, 2709692), (15598, 1354846), (31196, 677423)]