21574809

素因数分解:

$3^3\times {\mathrm{881}}^1\times {\mathrm{907}}^1$

素因数の和:1797

約数の個数: 16

約数和(自身を含む): 32034240

約数和(自身を除く): 10459431

約数列:

[1, 3, 9, 27, 881, 907, 2643, 2721, 7929, 8163, 23787, 24489, 799067, 2397201, 7191603, 21574809]

約数ペア:

[(1, 21574809), (3, 7191603), (9, 2397201), (27, 799067), (881, 24489), (907, 23787), (2643, 8163), (2721, 7929)]