21765537

素因数分解:

$3^3\times {\mathrm{317}}^1\times {\mathrm{2543}}^1$

素因数の和:2869

約数の個数: 16

約数和(自身を含む): 32359680

約数和(自身を除く): 10594143

約数列:

[1, 3, 9, 27, 317, 951, 2543, 2853, 7629, 8559, 22887, 68661, 806131, 2418393, 7255179, 21765537]

約数ペア:

[(1, 21765537), (3, 7255179), (9, 2418393), (27, 806131), (317, 68661), (951, 22887), (2543, 8559), (2853, 7629)]