21000455454

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{318188719}}^1$

素因数の和:318188735

約数の個数: 16

約数和(自身を含む): 45819175680

約数和(自身を除く): 24818720226

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 318188719, 636377438, 954566157, 1909132314, 3500075909, 7000151818, 10500227727, 21000455454]

約数ペア:

[(1, 21000455454), (2, 10500227727), (3, 7000151818), (6, 3500075909), (11, 1909132314), (22, 954566157), (33, 636377438), (66, 318188719)]