21556359

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{9467}}^1$

素因数の和:9507

約数の個数: 24

約数和(自身を含む): 35448192

約数和(自身を除く): 13891833

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 207, 253, 759, 2277, 9467, 28401, 85203, 104137, 217741, 312411, 653223, 937233, 1959669, 2395151, 7185453, 21556359]

約数ペア:

[(1, 21556359), (3, 7185453), (9, 2395151), (11, 1959669), (23, 937233), (33, 653223), (69, 312411), (99, 217741), (207, 104137), (253, 85203), (759, 28401), (2277, 9467)]