21303564

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{47981}}^1$

素因数の和:48025

約数の個数: 24

約数和(自身を含む): 51052848

約数和(自身を除く): 29749284

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 222, 444, 47981, 95962, 143943, 191924, 287886, 575772, 1775297, 3550594, 5325891, 7101188, 10651782, 21303564]

約数ペア:

[(1, 21303564), (2, 10651782), (3, 7101188), (4, 5325891), (6, 3550594), (12, 1775297), (37, 575772), (74, 287886), (111, 191924), (148, 143943), (222, 95962), (444, 47981)]