21064812

素因数分解:

$2^2\times 3^1\times {\mathrm{1755401}}^1$

素因数の和:1755408

約数の個数: 12

約数和(自身を含む): 49151256

約数和(自身を除く): 28086444

約数列:

[1, 2, 3, 4, 6, 12, 1755401, 3510802, 5266203, 7021604, 10532406, 21064812]

約数ペア:

[(1, 21064812), (2, 10532406), (3, 7021604), (4, 5266203), (6, 3510802), (12, 1755401)]