21811599

素因数分解:

$3^4\times {\mathrm{113}}^1\times {\mathrm{2383}}^1$

素因数の和:2508

約数の個数: 20

約数和(自身を含む): 32884896

約数和(自身を除く): 11073297

約数列:

[1, 3, 9, 27, 81, 113, 339, 1017, 2383, 3051, 7149, 9153, 21447, 64341, 193023, 269279, 807837, 2423511, 7270533, 21811599]

約数ペア:

[(1, 21811599), (3, 7270533), (9, 2423511), (27, 807837), (81, 269279), (113, 193023), (339, 64341), (1017, 21447), (2383, 9153), (3051, 7149)]