21838023

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{773}}^1$

素因数の和:895

約数の個数: 24

約数和(自身を含む): 32761872

約数和(自身を除く): 10923849

約数列:

[1, 3, 9, 43, 73, 129, 219, 387, 657, 773, 2319, 3139, 6957, 9417, 28251, 33239, 56429, 99717, 169287, 299151, 507861, 2426447, 7279341, 21838023]

約数ペア:

[(1, 21838023), (3, 7279341), (9, 2426447), (43, 507861), (73, 299151), (129, 169287), (219, 99717), (387, 56429), (657, 33239), (773, 28251), (2319, 9417), (3139, 6957)]