21837616

素因数分解:

$2^4\times {\mathrm{439}}^1\times {\mathrm{3109}}^1$

素因数の和:3556

約数の個数: 20

約数和(自身を含む): 42420400

約数和(自身を除く): 20582784

約数列:

[1, 2, 4, 8, 16, 439, 878, 1756, 3109, 3512, 6218, 7024, 12436, 24872, 49744, 1364851, 2729702, 5459404, 10918808, 21837616]

約数ペア:

[(1, 21837616), (2, 10918808), (4, 5459404), (8, 2729702), (16, 1364851), (439, 49744), (878, 24872), (1756, 12436), (3109, 7024), (3512, 6218)]