21530907

素因数分解:

$3^3\times {\mathrm{113}}^1\times {\mathrm{7057}}^1$

素因数の和:7179

約数の個数: 16

約数和(自身を含む): 32184480

約数和(自身を除く): 10653573

約数列:

[1, 3, 9, 27, 113, 339, 1017, 3051, 7057, 21171, 63513, 190539, 797441, 2392323, 7176969, 21530907]

約数ペア:

[(1, 21530907), (3, 7176969), (9, 2392323), (27, 797441), (113, 190539), (339, 63513), (1017, 21171), (3051, 7057)]