21911661

素因数分解:

$3^3\times {\mathrm{173}}^1\times {\mathrm{4691}}^1$

素因数の和:4873

約数の個数: 16

約数和(自身を含む): 32656320

約数和(自身を除く): 10744659

約数列:

[1, 3, 9, 27, 173, 519, 1557, 4671, 4691, 14073, 42219, 126657, 811543, 2434629, 7303887, 21911661]

約数ペア:

[(1, 21911661), (3, 7303887), (9, 2434629), (27, 811543), (173, 126657), (519, 42219), (1557, 14073), (4671, 4691)]