How many positive factors does the number 210 have?

✓ Correct Answer: Option C

First, find the prime factorization of 210: 210 = 2^1 * 3^1 * 5^1 * 7^1. To find the number of positive factors, add 1 to each exponent and multiply the results: (1+1) * (1+1) * (1+1) * (1+1) = 2 * 2 * 2 * 2 = 16.