21056507880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{175470899}}^1$

素因数の和:175470913

約数の個数: 32

約数和(自身を含む): 63169524000

約数和(自身を除く): 42113016120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 175470899, 350941798, 526412697, 701883596, 877354495, 1052825394, 1403767192, 1754708990, 2105650788, 2632063485, 3509417980, 4211301576, 5264126970, 7018835960, 10528253940, 21056507880]

約数ペア:

[(1, 21056507880), (2, 10528253940), (3, 7018835960), (4, 5264126970), (5, 4211301576), (6, 3509417980), (8, 2632063485), (10, 2105650788), (12, 1754708990), (15, 1403767192), (20, 1052825394), (24, 877354495), (30, 701883596), (40, 526412697), (60, 350941798), (120, 175470899)]