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2021 USMCA
1
2021 USMCA National Championship #1
2021 USMCA National Championship #1
Source:
May 9, 2021
Problem Statement
Let
a
1
,
a
2
,
…
,
a
2021
a_1, a_2, \ldots, a_{2021}
a
1
,
a
2
,
…
,
a
2021
be a sequence, where each
a
i
a_i
a
i
is a positive factor of
2021
2021
2021
. How many possible values are there for the product
a
1
a
2
⋯
a
2021
a_1 a_2 \cdots a_{2021}
a
1
a
2
⋯
a
2021
?
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