21220890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{337}}^1\times {\mathrm{2099}}^1$

素因数の和:2446

約数の個数: 32

約数和(自身を含む): 51105600

約数和(自身を除く): 29884710

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 337, 674, 1011, 1685, 2022, 2099, 3370, 4198, 5055, 6297, 10110, 10495, 12594, 20990, 31485, 62970, 707363, 1414726, 2122089, 3536815, 4244178, 7073630, 10610445, 21220890]

約数ペア:

[(1, 21220890), (2, 10610445), (3, 7073630), (5, 4244178), (6, 3536815), (10, 2122089), (15, 1414726), (30, 707363), (337, 62970), (674, 31485), (1011, 20990), (1685, 12594), (2022, 10495), (2099, 10110), (3370, 6297), (4198, 5055)]