21744990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{80537}}^1$

素因数の和:80553

約数の個数: 32

約数和(自身を含む): 57987360

約数和(自身を除く): 36242370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 80537, 161074, 241611, 402685, 483222, 724833, 805370, 1208055, 1449666, 2174499, 2416110, 3624165, 4348998, 7248330, 10872495, 21744990]

約数ペア:

[(1, 21744990), (2, 10872495), (3, 7248330), (5, 4348998), (6, 3624165), (9, 2416110), (10, 2174499), (15, 1449666), (18, 1208055), (27, 805370), (30, 724833), (45, 483222), (54, 402685), (90, 241611), (135, 161074), (270, 80537)]