21303960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{177533}}^1$

素因数の和:177547

約数の個数: 32

約数和(自身を含む): 63912240

約数和(自身を除く): 42608280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 177533, 355066, 532599, 710132, 887665, 1065198, 1420264, 1775330, 2130396, 2662995, 3550660, 4260792, 5325990, 7101320, 10651980, 21303960]

約数ペア:

[(1, 21303960), (2, 10651980), (3, 7101320), (4, 5325990), (5, 4260792), (6, 3550660), (8, 2662995), (10, 2130396), (12, 1775330), (15, 1420264), (20, 1065198), (24, 887665), (30, 710132), (40, 532599), (60, 355066), (120, 177533)]