21356550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{47459}}^1$

素因数の和:47477

約数の個数: 36

約数和(自身を含む): 57379140

約数和(自身を除く): 36022590

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 225, 450, 47459, 94918, 142377, 237295, 284754, 427131, 474590, 711885, 854262, 1186475, 1423770, 2135655, 2372950, 3559425, 4271310, 7118850, 10678275, 21356550]

約数ペア:

[(1, 21356550), (2, 10678275), (3, 7118850), (5, 4271310), (6, 3559425), (9, 2372950), (10, 2135655), (15, 1423770), (18, 1186475), (25, 854262), (30, 711885), (45, 474590), (50, 427131), (75, 284754), (90, 237295), (150, 142377), (225, 94918), (450, 47459)]