21000455542

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{954566161}}^1$

素因数の和:954566174

約数の個数: 8

約数和(自身を含む): 34364381832

約数和(自身を除く): 13363926290

約数列:

[1, 2, 11, 22, 954566161, 1909132322, 10500227771, 21000455542]

約数ペア:

[(1, 21000455542), (2, 10500227771), (11, 1909132322), (22, 954566161)]