21701889

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{7559}}^1$

素因数の和:7605

約数の個数: 24

約数和(自身を含む): 35380800

約数和(自身を除く): 13678911

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 261, 319, 957, 2871, 7559, 22677, 68031, 83149, 219211, 249447, 657633, 748341, 1972899, 2411321, 7233963, 21701889]

約数ペア:

[(1, 21701889), (3, 7233963), (9, 2411321), (11, 1972899), (29, 748341), (33, 657633), (87, 249447), (99, 219211), (261, 83149), (319, 68031), (957, 22677), (2871, 7559)]