21118509

素因数分解:

$3^3\times {\mathrm{593}}^1\times {\mathrm{1319}}^1$

素因数の和:1921

約数の個数: 16

約数和(自身を含む): 31363200

約数和(自身を除く): 10244691

約数列:

[1, 3, 9, 27, 593, 1319, 1779, 3957, 5337, 11871, 16011, 35613, 782167, 2346501, 7039503, 21118509]

約数ペア:

[(1, 21118509), (3, 7039503), (9, 2346501), (27, 782167), (593, 35613), (1319, 16011), (1779, 11871), (3957, 5337)]