21493860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{337}}^1\times {\mathrm{1063}}^1$

素因数の和:1412

約数の個数: 48

約数和(自身を含む): 60418176

約数和(自身を除く): 38924316

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 337, 674, 1011, 1063, 1348, 1685, 2022, 2126, 3189, 3370, 4044, 4252, 5055, 5315, 6378, 6740, 10110, 10630, 12756, 15945, 20220, 21260, 31890, 63780, 358231, 716462, 1074693, 1432924, 1791155, 2149386, 3582310, 4298772, 5373465, 7164620, 10746930, 21493860]

約数ペア:

[(1, 21493860), (2, 10746930), (3, 7164620), (4, 5373465), (5, 4298772), (6, 3582310), (10, 2149386), (12, 1791155), (15, 1432924), (20, 1074693), (30, 716462), (60, 358231), (337, 63780), (674, 31890), (1011, 21260), (1063, 20220), (1348, 15945), (1685, 12756), (2022, 10630), (2126, 10110), (3189, 6740), (3370, 6378), (4044, 5315), (4252, 5055)]