In this task you will be given a list of numbers. You should remove any number that is not an integer (whole number). If every number is not an whole number then an empty list ("[]") should be returned. Otherwise, answer with the list of whole numbers separated by comma inside brackets.
[13.583, 6.535, -17.956, -22, 9.657, -14.893, -51, 57.212, -26.739]