21475980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{119311}}^1$

素因数の和:119326

約数の個数: 36

約数和(自身を含む): 65144352

約数和(自身を除く): 43668372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 119311, 238622, 357933, 477244, 596555, 715866, 1073799, 1193110, 1431732, 1789665, 2147598, 2386220, 3579330, 4295196, 5368995, 7158660, 10737990, 21475980]

約数ペア:

[(1, 21475980), (2, 10737990), (3, 7158660), (4, 5368995), (5, 4295196), (6, 3579330), (9, 2386220), (10, 2147598), (12, 1789665), (15, 1431732), (18, 1193110), (20, 1073799), (30, 715866), (36, 596555), (45, 477244), (60, 357933), (90, 238622), (180, 119311)]