21271166045

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{19009}}^1\times {\mathrm{11779}}^1$

素因数の和:30812

約数の個数: 16

約数和(自身を含む): 26872536000

約数和(自身を除く): 5601369955

約数列:

[1, 5, 19, 95, 11779, 19009, 58895, 95045, 223801, 361171, 1119005, 1805855, 223907011, 1119535055, 4254233209, 21271166045]

約数ペア:

[(1, 21271166045), (5, 4254233209), (19, 1119535055), (95, 223907011), (11779, 1805855), (19009, 1119005), (58895, 361171), (95045, 223801)]