21889089

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{21911}}^1$

素因数の和:21957

約数の個数: 16

約数和(自身を含む): 33306240

約数和(自身を除く): 11417151

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 21911, 65733, 197199, 591597, 810707, 2432121, 7296363, 21889089]

約数ペア:

[(1, 21889089), (3, 7296363), (9, 2432121), (27, 810707), (37, 591597), (111, 197199), (333, 65733), (999, 21911)]