21.
The numbers are 57 and 59.
57
21 17+19+21 =57
18, 19, 20
They are: 57+59 = 116
21.
The numbers are 56, 57 and 58.
57 and 59
The numbers are 57 and 59.
57
The numbers are 55, and 57. Two consecutive integers have an odd sum.
21 17+19+21 =57
18, 19, 20
The integers are 51, 53, 55 and 57.
The two odd integers are 57 and 59.
They are: 57+58+59 = 174