21007714

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{683}}^1$

素因数の和:731

約数の個数: 32

約数和(自身を含む): 39070080

約数和(自身を除く): 18062366

約数列:

[1, 2, 7, 13, 14, 26, 91, 169, 182, 338, 683, 1183, 1366, 2197, 2366, 4394, 4781, 8879, 9562, 15379, 17758, 30758, 62153, 115427, 124306, 230854, 807989, 1500551, 1615978, 3001102, 10503857, 21007714]

約数ペア:

[(1, 21007714), (2, 10503857), (7, 3001102), (13, 1615978), (14, 1500551), (26, 807989), (91, 230854), (169, 124306), (182, 115427), (338, 62153), (683, 30758), (1183, 17758), (1366, 15379), (2197, 9562), (2366, 8879), (4394, 4781)]