21191110

素因数分解:

$2^1\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{1747}}^1$

素因数の和:2967

約数の個数: 16

約数和(自身を含む): 38197296

約数和(自身を除く): 17006186

約数列:

[1, 2, 5, 10, 1213, 1747, 2426, 3494, 6065, 8735, 12130, 17470, 2119111, 4238222, 10595555, 21191110]

約数ペア:

[(1, 21191110), (2, 10595555), (5, 4238222), (10, 2119111), (1213, 17470), (1747, 12130), (2426, 8735), (3494, 6065)]