21, 42, 63, 84, 105, 126, 147, 168, 189, 210 and just keep adding 21 until you get to 987.
Chat with our AI personalities
floor(1000/8)=125
4
Multiples? There are an infinite amount. Factors on the other hand, there are: 1, 3, 7 and 21.
1 21370
21, 42, 63, 84