21473858

素因数分解:

$2^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{1361}}^1$

素因数の和:1407

約数の個数: 32

約数和(自身を含む): 39225600

約数和(自身を除く): 17751742

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 322, 343, 686, 1127, 1361, 2254, 2722, 7889, 9527, 15778, 19054, 31303, 62606, 66689, 133378, 219121, 438242, 466823, 933646, 1533847, 3067694, 10736929, 21473858]

約数ペア:

[(1, 21473858), (2, 10736929), (7, 3067694), (14, 1533847), (23, 933646), (46, 466823), (49, 438242), (98, 219121), (161, 133378), (322, 66689), (343, 62606), (686, 31303), (1127, 19054), (1361, 15778), (2254, 9527), (2722, 7889)]