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.
[1.889, -24.281, 15.027, 2.197, -2.681, -27.31, 5.327, 45.567, 16.249, 0.505, 21.812]