👉 In mathematics, a "spiranthic number" is a positive integer that is equal to the sum of its proper divisors. This means that it includes all numbers less than or equal to the given number that divide evenly into it. For example, the first few spiranthic numbers are: 2, 3, 4, 6, 12, 18, 20, 24, 30, and so on. These numbers include all
