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Find the prime factors and respective exponents of a number.
Similar: properDivisors, primeFactors, primeExponentials, isPrime.
function primeExponentials(x) // x: a number
const xnumber = require('extra-number'); xnumber.primeExponentials(1); // → [] xnumber.primeExponentials(9); // → [[3, 2]] xnumber.primeExponentials(63); // → [[3, 2], [7, 1]] xnumber.primeExponentials(605); // → [[5, 1], [11, 2]] xnumber.primeExponentials(53); // → [[53, 1]]