deficient number

Noun

 * 1)  A number that is greater than the sum of all of its divisors except itself.
 * The factors of 22 are 1, 2 and 11 and 22, and 1 + 2 + 11 = 14, which is less than 22, so 22 is a deficient number.

Translations

 * Finnish: vajaa luku
 * French: nombre déficient
 * German: defizienten Zahl
 * Spanish: número defectivo
 * Swedish: