21975564

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{140869}}^1$

素因数の和:140889

約数の個数: 24

約数和(自身を含む): 55221040

約数和(自身を除く): 33245476

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 140869, 281738, 422607, 563476, 845214, 1690428, 1831297, 3662594, 5493891, 7325188, 10987782, 21975564]

約数ペア:

[(1, 21975564), (2, 10987782), (3, 7325188), (4, 5493891), (6, 3662594), (12, 1831297), (13, 1690428), (26, 845214), (39, 563476), (52, 422607), (78, 281738), (156, 140869)]