21796786

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{23041}}^1$

素因数の和:23097

約数の個数: 16

約数和(自身を含む): 36498528

約数和(自身を除く): 14701742

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 23041, 46082, 253451, 506902, 990763, 1981526, 10898393, 21796786]

約数ペア:

[(1, 21796786), (2, 10898393), (11, 1981526), (22, 990763), (43, 506902), (86, 253451), (473, 46082), (946, 23041)]