21439976

素因数分解:

$2^3\times {\mathrm{1451}}^1\times {\mathrm{1847}}^1$

素因数の和:3304

約数の個数: 16

約数和(自身を含む): 40249440

約数和(自身を除く): 18809464

約数列:

[1, 2, 4, 8, 1451, 1847, 2902, 3694, 5804, 7388, 11608, 14776, 2679997, 5359994, 10719988, 21439976]

約数ペア:

[(1, 21439976), (2, 10719988), (4, 5359994), (8, 2679997), (1451, 14776), (1847, 11608), (2902, 7388), (3694, 5804)]