21475035

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{25117}}^1$

素因数の和:25147

約数の個数: 24

約数和(自身を含む): 39184080

約数和(自身を除く): 17709045

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 25117, 75351, 125585, 226053, 376755, 477223, 1130265, 1431669, 2386115, 4295007, 7158345, 21475035]

約数ペア:

[(1, 21475035), (3, 7158345), (5, 4295007), (9, 2386115), (15, 1431669), (19, 1130265), (45, 477223), (57, 376755), (95, 226053), (171, 125585), (285, 75351), (855, 25117)]