21417154

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{317}}^1$

素因数の和:450

約数の個数: 32

約数和(自身を含む): 36542016

約数和(自身を除く): 15124862

約数列:

[1, 2, 11, 22, 37, 74, 83, 166, 317, 407, 634, 814, 913, 1826, 3071, 3487, 6142, 6974, 11729, 23458, 26311, 33781, 52622, 67562, 129019, 258038, 289421, 578842, 973507, 1947014, 10708577, 21417154]

約数ペア:

[(1, 21417154), (2, 10708577), (11, 1947014), (22, 973507), (37, 578842), (74, 289421), (83, 258038), (166, 129019), (317, 67562), (407, 52622), (634, 33781), (814, 26311), (913, 23458), (1826, 11729), (3071, 6974), (3487, 6142)]