14 divisors
Original 14 Divisors problem
Problem
This is the original text of the problem that has been redeveloped as Counting Factors.
The list below shows the first ten numbers together with their divisors (factors):
- $1$
- $1$, $2$
- $1$, $3$
- $1$, $2$, $4$
- $1$, $5$
- $1$, $2$, $3$, $6$
- $1$, $7$
- $1$, $2$, $4$, $8$
- $1$, $3$, $9$
- $1$, $2$, $5$, $10$
What is the smallest number with exactly twelve divisors?
What is the smallest number with exactly fourteen divisors?