21008530

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{44699}}^1$

素因数の和:44753

約数の個数: 16

約数和(自身を含む): 38620800

約数和(自身を除く): 17612270

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 44699, 89398, 223495, 446990, 2100853, 4201706, 10504265, 21008530]

約数ペア:

[(1, 21008530), (2, 10504265), (5, 4201706), (10, 2100853), (47, 446990), (94, 223495), (235, 89398), (470, 44699)]