The number of divisor of 252 = the number of general wish of 252
\(UC\left(252\right)=\left\{1;2;3;4;6;7;9;12;14;18;21;28;36;42;63;84;126;252\right\}\)
So number of elements is the divisor of 252 are {1;2;3;4;6;7;9;12;14;18;21;28;36;42;63;84;126;252}
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