21084417

素因数分解:

$3^2\times {\mathrm{59}}^2\times {\mathrm{673}}^1$

素因数の和:797

約数の個数: 18

約数和(自身を含む): 31026242

約数和(自身を除く): 9941825

約数列:

[1, 3, 9, 59, 177, 531, 673, 2019, 3481, 6057, 10443, 31329, 39707, 119121, 357363, 2342713, 7028139, 21084417]

約数ペア:

[(1, 21084417), (3, 7028139), (9, 2342713), (59, 357363), (177, 119121), (531, 39707), (673, 31329), (2019, 10443), (3481, 6057)]