21009084

素因数分解:

$2^2\times 3^1\times {\mathrm{1123}}^1\times {\mathrm{1559}}^1$

素因数の和:2689

約数の個数: 24

約数和(自身を含む): 49096320

約数和(自身を除く): 28087236

約数列:

[1, 2, 3, 4, 6, 12, 1123, 1559, 2246, 3118, 3369, 4492, 4677, 6236, 6738, 9354, 13476, 18708, 1750757, 3501514, 5252271, 7003028, 10504542, 21009084]

約数ペア:

[(1, 21009084), (2, 10504542), (3, 7003028), (4, 5252271), (6, 3501514), (12, 1750757), (1123, 18708), (1559, 13476), (2246, 9354), (3118, 6738), (3369, 6236), (4492, 4677)]