21597543

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{72719}}^1$

素因数の和:72739

約数の個数: 16

約数和(自身を含む): 34905600

約数和(自身を除く): 13308057

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 72719, 218157, 654471, 799909, 1963413, 2399727, 7199181, 21597543]

約数ペア:

[(1, 21597543), (3, 7199181), (9, 2399727), (11, 1963413), (27, 799909), (33, 654471), (99, 218157), (297, 72719)]