21120270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{704009}}^1$

素因数の和:704019

約数の個数: 16

約数和(自身を含む): 50688720

約数和(自身を除く): 29568450

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 704009, 1408018, 2112027, 3520045, 4224054, 7040090, 10560135, 21120270]

約数ペア:

[(1, 21120270), (2, 10560135), (3, 7040090), (5, 4224054), (6, 3520045), (10, 2112027), (15, 1408018), (30, 704009)]