text: describe("factors", () => {
    it("returns the factors of a number in ascending order", () => {
      expect(factors(10)).toEqual([1, 2, 5, 10]);
      expect(factors(21)).toEqual([1, 3, 7, 21]);
    });
  
    it("should handle 1 correctly", () => {
      expect(factors(1)).toEqual([1]);
    });
  });
  