21183805

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{8009}}^1$

素因数の和:8060

約数の個数: 12

約数和(自身を含む): 26577180

約数和(自身を除く): 5393375

約数列:

[1, 5, 23, 115, 529, 2645, 8009, 40045, 184207, 921035, 4236761, 21183805]

約数ペア:

[(1, 21183805), (5, 4236761), (23, 921035), (115, 184207), (529, 40045), (2645, 8009)]