21011782

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{311}}^1$

素因数の和:444

約数の個数: 32

約数和(自身を含む): 35852544

約数和(自身を除く): 14840762

約数列:

[1, 2, 11, 22, 37, 74, 83, 166, 311, 407, 622, 814, 913, 1826, 3071, 3421, 6142, 6842, 11507, 23014, 25813, 33781, 51626, 67562, 126577, 253154, 283943, 567886, 955081, 1910162, 10505891, 21011782]

約数ペア:

[(1, 21011782), (2, 10505891), (11, 1910162), (22, 955081), (37, 567886), (74, 283943), (83, 253154), (166, 126577), (311, 67562), (407, 51626), (622, 33781), (814, 25813), (913, 23014), (1826, 11507), (3071, 6842), (3421, 6142)]