21408045489

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{67}}^2\times {\mathrm{12323}}^1$

素因数の和:12506

約数の個数: 36

約数和(自身を含む): 32123787696

約数和(自身を除く): 10715742207

約数列:

[1, 3, 9, 43, 67, 129, 201, 387, 603, 2881, 4489, 8643, 12323, 13467, 25929, 36969, 40401, 110907, 193027, 529889, 579081, 825641, 1589667, 1737243, 2476923, 4769001, 7430769, 35502563, 55317947, 106507689, 165953841, 319523067, 497861523, 2378671721, 7136015163, 21408045489]

約数ペア:

[(1, 21408045489), (3, 7136015163), (9, 2378671721), (43, 497861523), (67, 319523067), (129, 165953841), (201, 106507689), (387, 55317947), (603, 35502563), (2881, 7430769), (4489, 4769001), (8643, 2476923), (12323, 1737243), (13467, 1589667), (25929, 825641), (36969, 579081), (40401, 529889), (110907, 193027)]