21404604

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137209}}^1$

素因数の和:137229

約数の個数: 24

約数和(自身を含む): 53786320

約数和(自身を除く): 32381716

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 137209, 274418, 411627, 548836, 823254, 1646508, 1783717, 3567434, 5351151, 7134868, 10702302, 21404604]

約数ペア:

[(1, 21404604), (2, 10702302), (3, 7134868), (4, 5351151), (6, 3567434), (12, 1783717), (13, 1646508), (26, 823254), (39, 548836), (52, 411627), (78, 274418), (156, 137209)]