21951414

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{359}}^1$

素因数の和:489

約数の個数: 48

約数和(自身を含む): 49420800

約数和(自身を除く): 27469386

約数列:

[1, 2, 3, 6, 9, 18, 43, 79, 86, 129, 158, 237, 258, 359, 387, 474, 711, 718, 774, 1077, 1422, 2154, 3231, 3397, 6462, 6794, 10191, 15437, 20382, 28361, 30573, 30874, 46311, 56722, 61146, 85083, 92622, 138933, 170166, 255249, 277866, 510498, 1219523, 2439046, 3658569, 7317138, 10975707, 21951414]

約数ペア:

[(1, 21951414), (2, 10975707), (3, 7317138), (6, 3658569), (9, 2439046), (18, 1219523), (43, 510498), (79, 277866), (86, 255249), (129, 170166), (158, 138933), (237, 92622), (258, 85083), (359, 61146), (387, 56722), (474, 46311), (711, 30874), (718, 30573), (774, 28361), (1077, 20382), (1422, 15437), (2154, 10191), (3231, 6794), (3397, 6462)]