21290214

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1621}}^1$

素因数の和:1836

約数の個数: 32

約数和(自身を含む): 46713600

約数和(自身を除く): 25423386

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 199, 398, 597, 1194, 1621, 2189, 3242, 4378, 4863, 6567, 9726, 13134, 17831, 35662, 53493, 106986, 322579, 645158, 967737, 1935474, 3548369, 7096738, 10645107, 21290214]

約数ペア:

[(1, 21290214), (2, 10645107), (3, 7096738), (6, 3548369), (11, 1935474), (22, 967737), (33, 645158), (66, 322579), (199, 106986), (398, 53493), (597, 35662), (1194, 17831), (1621, 13134), (2189, 9726), (3242, 6567), (4378, 4863)]