21784466

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{691}}^1\times {\mathrm{1433}}^1$

素因数の和:2137

約数の個数: 16

約数和(自身を含む): 35723808

約数和(自身を除く): 13939342

約数列:

[1, 2, 11, 22, 691, 1382, 1433, 2866, 7601, 15202, 15763, 31526, 990203, 1980406, 10892233, 21784466]

約数ペア:

[(1, 21784466), (2, 10892233), (11, 1980406), (22, 990203), (691, 31526), (1382, 15763), (1433, 15202), (2866, 7601)]