21843837

素因数分解:

$3^4\times {\mathrm{479}}^1\times {\mathrm{563}}^1$

素因数の和:1054

約数の個数: 20

約数和(自身を含む): 32757120

約数和(自身を除く): 10913283

約数列:

[1, 3, 9, 27, 81, 479, 563, 1437, 1689, 4311, 5067, 12933, 15201, 38799, 45603, 269677, 809031, 2427093, 7281279, 21843837]

約数ペア:

[(1, 21843837), (3, 7281279), (9, 2427093), (27, 809031), (81, 269677), (479, 45603), (563, 38799), (1437, 15201), (1689, 12933), (4311, 5067)]