21795741

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1607}}^1$

素因数の和:1761

約数の個数: 24

約数和(自身を含む): 34617024

約数和(自身を除く): 12821283

約数列:

[1, 3, 9, 11, 33, 99, 137, 411, 1233, 1507, 1607, 4521, 4821, 13563, 14463, 17677, 53031, 159093, 220159, 660477, 1981431, 2421749, 7265247, 21795741]

約数ペア:

[(1, 21795741), (3, 7265247), (9, 2421749), (11, 1981431), (33, 660477), (99, 220159), (137, 159093), (411, 53031), (1233, 17677), (1507, 14463), (1607, 13563), (4521, 4821)]