## Quant Question Of The Day: 168

**Numbers/Counting**

The number 21! = 51090942171709440000 has over 60,000 positive integer divisors. One of them is chosen at random. What is the probability that it is odd ?

**1. 1/21**

**2. 1/18**

**3. 1/19 **

**4. 1/2**

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