21362396

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{485509}}^1$

素因数の和:485524

約数の個数: 12

約数和(自身を含む): 40782840

約数和(自身を除く): 19420444

約数列:

[1, 2, 4, 11, 22, 44, 485509, 971018, 1942036, 5340599, 10681198, 21362396]

約数ペア:

[(1, 21362396), (2, 10681198), (4, 5340599), (11, 1942036), (22, 971018), (44, 485509)]