21492185

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{30059}}^1$

素因数の和:30088

約数の個数: 16

約数和(自身を含む): 30300480

約数和(自身を除く): 8808295

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 30059, 150295, 330649, 390767, 1653245, 1953835, 4298437, 21492185]

約数ペア:

[(1, 21492185), (5, 4298437), (11, 1953835), (13, 1653245), (55, 390767), (65, 330649), (143, 150295), (715, 30059)]