12821110

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{31271}}^1$

素因数の和:31319

約数の個数: 16

約数和(自身を含む): 23641632

約数和(自身を除く): 10820522

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 31271, 62542, 156355, 312710, 1282111, 2564222, 6410555, 12821110]

約数ペア:

[(1, 12821110), (2, 6410555), (5, 2564222), (10, 1282111), (41, 312710), (82, 156355), (205, 62542), (410, 31271)]