21000940468

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{3187}}^1\times {\mathrm{22567}}^1$

素因数の和:25831

約数の個数: 24

約数和(自身を含む): 37268434112

約数和(自身を除く): 16267493644

約数列:

[1, 2, 4, 73, 146, 292, 3187, 6374, 12748, 22567, 45134, 90268, 232651, 465302, 930604, 1647391, 3294782, 6589564, 71921029, 143842058, 287684116, 5250235117, 10500470234, 21000940468]

約数ペア:

[(1, 21000940468), (2, 10500470234), (4, 5250235117), (73, 287684116), (146, 143842058), (292, 71921029), (3187, 6589564), (6374, 3294782), (12748, 1647391), (22567, 930604), (45134, 465302), (90268, 232651)]