21260350

素因数分解:

$2^1\times 5^2\times {\mathrm{425207}}^1$

素因数の和:425219

約数の個数: 12

約数和(自身を含む): 39544344

約数和(自身を除く): 18283994

約数列:

[1, 2, 5, 10, 25, 50, 425207, 850414, 2126035, 4252070, 10630175, 21260350]

約数ペア:

[(1, 21260350), (2, 10630175), (5, 4252070), (10, 2126035), (25, 850414), (50, 425207)]