2100790

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{499}}^1$

素因数の和:927

約数の個数: 16

約数和(自身を含む): 3798000

約数和(自身を除く): 1697210

約数列:

[1, 2, 5, 10, 421, 499, 842, 998, 2105, 2495, 4210, 4990, 210079, 420158, 1050395, 2100790]

約数ペア:

[(1, 2100790), (2, 1050395), (5, 420158), (10, 210079), (421, 4990), (499, 4210), (842, 2495), (998, 2105)]