21246352

素因数分解:

$2^4\times {\mathrm{523}}^1\times {\mathrm{2539}}^1$

素因数の和:3070

約数の個数: 20

約数和(自身を含む): 41259760

約数和(自身を除く): 20013408

約数列:

[1, 2, 4, 8, 16, 523, 1046, 2092, 2539, 4184, 5078, 8368, 10156, 20312, 40624, 1327897, 2655794, 5311588, 10623176, 21246352]

約数ペア:

[(1, 21246352), (2, 10623176), (4, 5311588), (8, 2655794), (16, 1327897), (523, 40624), (1046, 20312), (2092, 10156), (2539, 8368), (4184, 5078)]