21251670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{64399}}^1$

素因数の和:64420

約数の個数: 32

約数和(自身を含む): 55641600

約数和(自身を除く): 34389930

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 64399, 128798, 193197, 321995, 386394, 643990, 708389, 965985, 1416778, 1931970, 2125167, 3541945, 4250334, 7083890, 10625835, 21251670]

約数ペア:

[(1, 21251670), (2, 10625835), (3, 7083890), (5, 4250334), (6, 3541945), (10, 2125167), (11, 1931970), (15, 1416778), (22, 965985), (30, 708389), (33, 643990), (55, 386394), (66, 321995), (110, 193197), (165, 128798), (330, 64399)]