21336831

素因数分解:

$3^3\times {\mathrm{523}}^1\times {\mathrm{1511}}^1$

素因数の和:2043

約数の個数: 16

約数和(自身を含む): 31691520

約数和(自身を除く): 10354689

約数列:

[1, 3, 9, 27, 523, 1511, 1569, 4533, 4707, 13599, 14121, 40797, 790253, 2370759, 7112277, 21336831]

約数ペア:

[(1, 21336831), (3, 7112277), (9, 2370759), (27, 790253), (523, 40797), (1511, 14121), (1569, 13599), (4533, 4707)]