21609030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{720301}}^1$

素因数の和:720311

約数の個数: 16

約数和(自身を含む): 51861744

約数和(自身を除く): 30252714

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 720301, 1440602, 2160903, 3601505, 4321806, 7203010, 10804515, 21609030]

約数ペア:

[(1, 21609030), (2, 10804515), (3, 7203010), (5, 4321806), (6, 3601505), (10, 2160903), (15, 1440602), (30, 720301)]