21296120

素因数分解:

$2^3\times 5^1\times {\mathrm{532403}}^1$

素因数の和:532414

約数の個数: 16

約数和(自身を含む): 47916360

約数和(自身を除く): 26620240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 532403, 1064806, 2129612, 2662015, 4259224, 5324030, 10648060, 21296120]

約数ペア:

[(1, 21296120), (2, 10648060), (4, 5324030), (5, 4259224), (8, 2662015), (10, 2129612), (20, 1064806), (40, 532403)]