21032757

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{45823}}^1$

素因数の和:45849

約数の個数: 16

約数和(自身を含む): 32993280

約数和(自身を除く): 11960523

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 45823, 137469, 412407, 778991, 1237221, 2336973, 7010919, 21032757]

約数ペア:

[(1, 21032757), (3, 7010919), (9, 2336973), (17, 1237221), (27, 778991), (51, 412407), (153, 137469), (459, 45823)]