21120090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{704003}}^1$

素因数の和:704013

約数の個数: 16

約数和(自身を含む): 50688288

約数和(自身を除く): 29568198

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 704003, 1408006, 2112009, 3520015, 4224018, 7040030, 10560045, 21120090]

約数ペア:

[(1, 21120090), (2, 10560045), (3, 7040030), (5, 4224018), (6, 3520015), (10, 2112009), (15, 1408006), (30, 704003)]