21064952

素因数分解:

$2^3\times {\mathrm{1223}}^1\times {\mathrm{2153}}^1$

素因数の和:3382

約数の個数: 16

約数和(自身を含む): 39547440

約数和(自身を除く): 18482488

約数列:

[1, 2, 4, 8, 1223, 2153, 2446, 4306, 4892, 8612, 9784, 17224, 2633119, 5266238, 10532476, 21064952]

約数ペア:

[(1, 21064952), (2, 10532476), (4, 5266238), (8, 2633119), (1223, 17224), (2153, 9784), (2446, 8612), (4306, 4892)]