21825111

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{883}}^1$

素因数の和:1011

約数の個数: 32

約数和(自身を含む): 36661248

約数和(自身を除く): 14836137

約数列:

[1, 3, 7, 11, 21, 33, 77, 107, 231, 321, 749, 883, 1177, 2247, 2649, 3531, 6181, 8239, 9713, 18543, 24717, 29139, 67991, 94481, 203973, 283443, 661367, 1039291, 1984101, 3117873, 7275037, 21825111]

約数ペア:

[(1, 21825111), (3, 7275037), (7, 3117873), (11, 1984101), (21, 1039291), (33, 661367), (77, 283443), (107, 203973), (231, 94481), (321, 67991), (749, 29139), (883, 24717), (1177, 18543), (2247, 9713), (2649, 8239), (3531, 6181)]