21680706

素因数分解:

$2^1\times 3^1\times {\mathrm{173}}^1\times {\mathrm{20887}}^1$

素因数の和:21065

約数の個数: 16

約数和(自身を含む): 43614144

約数和(自身を除く): 21933438

約数列:

[1, 2, 3, 6, 173, 346, 519, 1038, 20887, 41774, 62661, 125322, 3613451, 7226902, 10840353, 21680706]

約数ペア:

[(1, 21680706), (2, 10840353), (3, 7226902), (6, 3613451), (173, 125322), (346, 62661), (519, 41774), (1038, 20887)]