21189510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{235439}}^1$

素因数の和:235452

約数の個数: 24

約数和(自身を含む): 55092960

約数和(自身を除く): 33903450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 235439, 470878, 706317, 1177195, 1412634, 2118951, 2354390, 3531585, 4237902, 7063170, 10594755, 21189510]

約数ペア:

[(1, 21189510), (2, 10594755), (3, 7063170), (5, 4237902), (6, 3531585), (9, 2354390), (10, 2118951), (15, 1412634), (18, 1177195), (30, 706317), (45, 470878), (90, 235439)]