2021716215

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1953349}}^1$

素因数の和:1953383

約数の個数: 24

約数和(自身を含む): 3656671200

約数和(自身を除く): 1634954985

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 1953349, 5860047, 9766745, 17580141, 29300235, 44927027, 87900705, 134781081, 224635135, 404343243, 673905405, 2021716215]

約数ペア:

[(1, 2021716215), (3, 673905405), (5, 404343243), (9, 224635135), (15, 134781081), (23, 87900705), (45, 44927027), (69, 29300235), (115, 17580141), (207, 9766745), (345, 5860047), (1035, 1953349)]