21648926

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{7639}}^1$

素因数の和:7763

約数の個数: 16

約数和(自身を含む): 35296800

約数和(自身を除く): 13647874

約数列:

[1, 2, 13, 26, 109, 218, 1417, 2834, 7639, 15278, 99307, 198614, 832651, 1665302, 10824463, 21648926]

約数ペア:

[(1, 21648926), (2, 10824463), (13, 1665302), (26, 832651), (109, 198614), (218, 99307), (1417, 15278), (2834, 7639)]