21076286

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{136859}}^1$

素因数の和:136879

約数の個数: 16

約数和(自身を含む): 39415680

約数和(自身を除く): 18339394

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 136859, 273718, 958013, 1505449, 1916026, 3010898, 10538143, 21076286]

約数ペア:

[(1, 21076286), (2, 10538143), (7, 3010898), (11, 1916026), (14, 1505449), (22, 958013), (77, 273718), (154, 136859)]