21180963

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{2087}}^1$

素因数の和:2306

約数の個数: 16

約数和(自身を含む): 30067200

約数和(自身を除く): 8886237

約数列:

[1, 3, 17, 51, 199, 597, 2087, 3383, 6261, 10149, 35479, 106437, 415313, 1245939, 7060321, 21180963]

約数ペア:

[(1, 21180963), (3, 7060321), (17, 1245939), (51, 415313), (199, 106437), (597, 35479), (2087, 10149), (3383, 6261)]