21086090

素因数分解:

$2^1\times 5^1\times {\mathrm{337}}^1\times {\mathrm{6257}}^1$

素因数の和:6601

約数の個数: 16

約数和(自身を含む): 38073672

約数和(自身を除く): 16987582

約数列:

[1, 2, 5, 10, 337, 674, 1685, 3370, 6257, 12514, 31285, 62570, 2108609, 4217218, 10543045, 21086090]

約数ペア:

[(1, 21086090), (2, 10543045), (5, 4217218), (10, 2108609), (337, 62570), (674, 31285), (1685, 12514), (3370, 6257)]