21710050

素因数分解:

$2^1\times 5^2\times {\mathrm{434201}}^1$

素因数の和:434213

約数の個数: 12

約数和(自身を含む): 40380786

約数和(自身を除く): 18670736

約数列:

[1, 2, 5, 10, 25, 50, 434201, 868402, 2171005, 4342010, 10855025, 21710050]

約数ペア:

[(1, 21710050), (2, 10855025), (5, 4342010), (10, 2171005), (25, 868402), (50, 434201)]