Answer:
16,7600
Step-by-step explanation:
3
Using listing:
No other factors are possible.
Hence, 1, 3, 7 and 21 are factors of 21.
i
( the comma means there is space between the sqrt of 2 and the i.
<em>Hope this helped and plz mark as brainliest!</em>
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<em>Luna G.</em>