21084312074

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{378683}}^1$

素因数の和:378830

約数の個数: 32

約数和(自身を含む): 37407920256

約数和(自身を除く): 16323608182

約数列:

[1, 2, 7, 14, 41, 82, 97, 194, 287, 574, 679, 1358, 3977, 7954, 27839, 55678, 378683, 757366, 2650781, 5301562, 15526003, 31052006, 36732251, 73464502, 108682021, 217364042, 257125757, 514251514, 1506022291, 3012044582, 10542156037, 21084312074]

約数ペア:

[(1, 21084312074), (2, 10542156037), (7, 3012044582), (14, 1506022291), (41, 514251514), (82, 257125757), (97, 217364042), (194, 108682021), (287, 73464502), (574, 36732251), (679, 31052006), (1358, 15526003), (3977, 5301562), (7954, 2650781), (27839, 757366), (55678, 378683)]