21557635

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{2861}}^1$

素因数の和:3014

約数の個数: 16

約数和(自身を含む): 28436832

約数和(自身を除く): 6879197

約数列:

[1, 5, 11, 55, 137, 685, 1507, 2861, 7535, 14305, 31471, 157355, 391957, 1959785, 4311527, 21557635]

約数ペア:

[(1, 21557635), (5, 4311527), (11, 1959785), (55, 391957), (137, 157355), (685, 31471), (1507, 14305), (2861, 7535)]