21000407091

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{1246241}}^1$

素因数の和:1246422

約数の個数: 16

約数和(自身を含む): 28892874528

約数和(自身を除く): 7892467437

約数列:

[1, 3, 41, 123, 137, 411, 5617, 16851, 1246241, 3738723, 51095881, 153287643, 170735017, 512205051, 7000135697, 21000407091]

約数ペア:

[(1, 21000407091), (3, 7000135697), (41, 512205051), (123, 170735017), (137, 153287643), (411, 51095881), (5617, 3738723), (16851, 1246241)]