21285050

素因数分解:

$2^1\times 5^2\times {\mathrm{425701}}^1$

素因数の和:425713

約数の個数: 12

約数和(自身を含む): 39590286

約数和(自身を除く): 18305236

約数列:

[1, 2, 5, 10, 25, 50, 425701, 851402, 2128505, 4257010, 10642525, 21285050]

約数ペア:

[(1, 21285050), (2, 10642525), (5, 4257010), (10, 2128505), (25, 851402), (50, 425701)]