21330837

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{71821}}^1$

素因数の和:71841

約数の個数: 16

約数和(自身を含む): 34474560

約数和(自身を除く): 13143723

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 71821, 215463, 646389, 790031, 1939167, 2370093, 7110279, 21330837]

約数ペア:

[(1, 21330837), (3, 7110279), (9, 2370093), (11, 1939167), (27, 790031), (33, 646389), (99, 215463), (297, 71821)]