21272820795

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3608621}}^1$

素因数の和:3608763

約数の個数: 24

約数和(自身を含む): 37154372112

約数和(自身を除く): 15881551317

約数列:

[1, 3, 5, 9, 15, 45, 131, 393, 655, 1179, 1965, 5895, 3608621, 10825863, 18043105, 32477589, 54129315, 162387945, 472729351, 1418188053, 2363646755, 4254564159, 7090940265, 21272820795]

約数ペア:

[(1, 21272820795), (3, 7090940265), (5, 4254564159), (9, 2363646755), (15, 1418188053), (45, 472729351), (131, 162387945), (393, 54129315), (655, 32477589), (1179, 18043105), (1965, 10825863), (5895, 3608621)]