21701101160

素因数分解:

$2^3\times 5^1\times {\mathrm{542527529}}^1$

素因数の和:542527540

約数の個数: 16

約数和(自身を含む): 48827477700

約数和(自身を除く): 27126376540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 542527529, 1085055058, 2170110116, 2712637645, 4340220232, 5425275290, 10850550580, 21701101160]

約数ペア:

[(1, 21701101160), (2, 10850550580), (4, 5425275290), (5, 4340220232), (8, 2712637645), (10, 2170110116), (20, 1085055058), (40, 542527529)]