MathDB
Edition number divides the year

Source: 43rd International Tournament of Towns, Junior O-Level P1, Fall 2021

February 18, 2023
number theoryTournament of Towns

Problem Statement

The Tournament of Towns is held once per year. This time the year of its autumn round is divisible by the number of the tournament: 2021÷43=472021\div 43 = 47. How many times more will the humanity witness such a wonderful event?
Alexey Zaslavsky