21808792

素因数分解:

$2^3\times {\mathrm{541}}^1\times {\mathrm{5039}}^1$

素因数の和:5586

約数の個数: 16

約数和(自身を含む): 40975200

約数和(自身を除く): 19166408

約数列:

[1, 2, 4, 8, 541, 1082, 2164, 4328, 5039, 10078, 20156, 40312, 2726099, 5452198, 10904396, 21808792]

約数ペア:

[(1, 21808792), (2, 10904396), (4, 5452198), (8, 2726099), (541, 40312), (1082, 20156), (2164, 10078), (4328, 5039)]