21288090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{709603}}^1$

素因数の和:709613

約数の個数: 16

約数和(自身を含む): 51091488

約数和(自身を除く): 29803398

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 709603, 1419206, 2128809, 3548015, 4257618, 7096030, 10644045, 21288090]

約数ペア:

[(1, 21288090), (2, 10644045), (3, 7096030), (5, 4257618), (6, 3548015), (10, 2128809), (15, 1419206), (30, 709603)]