21711050

素因数分解:

$2^1\times 5^2\times {\mathrm{434221}}^1$

素因数の和:434233

約数の個数: 12

約数和(自身を含む): 40382646

約数和(自身を除く): 18671596

約数列:

[1, 2, 5, 10, 25, 50, 434221, 868442, 2171105, 4342210, 10855525, 21711050]

約数ペア:

[(1, 21711050), (2, 10855525), (5, 4342210), (10, 2171105), (25, 868442), (50, 434221)]