21000470460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4430479}}^1$

素因数の和:4430570

約数の個数: 48

約数和(自身を含む): 59545651200

約数和(自身を除く): 38545180740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 4740, 4430479, 8860958, 13291437, 17721916, 22152395, 26582874, 44304790, 53165748, 66457185, 88609580, 132914370, 265828740, 350007841, 700015682, 1050023523, 1400031364, 1750039205, 2100047046, 3500078410, 4200094092, 5250117615, 7000156820, 10500235230, 21000470460]

約数ペア:

[(1, 21000470460), (2, 10500235230), (3, 7000156820), (4, 5250117615), (5, 4200094092), (6, 3500078410), (10, 2100047046), (12, 1750039205), (15, 1400031364), (20, 1050023523), (30, 700015682), (60, 350007841), (79, 265828740), (158, 132914370), (237, 88609580), (316, 66457185), (395, 53165748), (474, 44304790), (790, 26582874), (948, 22152395), (1185, 17721916), (1580, 13291437), (2370, 8860958), (4740, 4430479)]