21171690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{235241}}^1$

素因数の和:235254

約数の個数: 24

約数和(自身を含む): 55046628

約数和(自身を除く): 33874938

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 235241, 470482, 705723, 1176205, 1411446, 2117169, 2352410, 3528615, 4234338, 7057230, 10585845, 21171690]

約数ペア:

[(1, 21171690), (2, 10585845), (3, 7057230), (5, 4234338), (6, 3528615), (9, 2352410), (10, 2117169), (15, 1411446), (18, 1176205), (30, 705723), (45, 470482), (90, 235241)]