21285570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{709519}}^1$

素因数の和:709529

約数の個数: 16

約数和(自身を含む): 51085440

約数和(自身を除く): 29799870

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 709519, 1419038, 2128557, 3547595, 4257114, 7095190, 10642785, 21285570]

約数ペア:

[(1, 21285570), (2, 10642785), (3, 7095190), (5, 4257114), (6, 3547595), (10, 2128557), (15, 1419038), (30, 709519)]