21000816716

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{477291289}}^1$

素因数の和:477291304

約数の個数: 12

約数和(自身を含む): 40092468360

約数和(自身を除く): 19091651644

約数列:

[1, 2, 4, 11, 22, 44, 477291289, 954582578, 1909165156, 5250204179, 10500408358, 21000816716]

約数ペア:

[(1, 21000816716), (2, 10500408358), (4, 5250204179), (11, 1909165156), (22, 954582578), (44, 477291289)]