1, 2, 7 and 14.
All of these: 1, 2, 4, 7, 8, 14, 28, 56.
7
1, 7, 19, 133.
1, 3, 7, 21.
7 divides evenly into 140 with no remainder.
Yes, because 7 divides evenly into 168 with no remainder.
Yes, because 7 divides evenly into 63 with no remainder.
The number is 14.
49 divides evenly by: 1, 7, 49
1, 5, 7, 35
14 can be evenly divided by -14, -7, -2, -1, 1, 2, 7, and 14.