21627420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{360457}}^1$

素因数の和:360469

約数の個数: 24

約数和(自身を含む): 60556944

約数和(自身を除く): 38929524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 360457, 720914, 1081371, 1441828, 1802285, 2162742, 3604570, 4325484, 5406855, 7209140, 10813710, 21627420]

約数ペア:

[(1, 21627420), (2, 10813710), (3, 7209140), (4, 5406855), (5, 4325484), (6, 3604570), (10, 2162742), (12, 1802285), (15, 1441828), (20, 1081371), (30, 720914), (60, 360457)]