21658172

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{2399}}^1$

素因数の和:2501

約数の個数: 24

約数和(自身を含む): 39580800

約数和(自身を除く): 17922628

約数列:

[1, 2, 4, 37, 61, 74, 122, 148, 244, 2257, 2399, 4514, 4798, 9028, 9596, 88763, 146339, 177526, 292678, 355052, 585356, 5414543, 10829086, 21658172]

約数ペア:

[(1, 21658172), (2, 10829086), (4, 5414543), (37, 585356), (61, 355052), (74, 292678), (122, 177526), (148, 146339), (244, 88763), (2257, 9596), (2399, 9028), (4514, 4798)]