1 files changed, 17 insertions, 0 deletions
diff --git a/Problem21.py b/Problem21.py
new file mode 100644
index 0000000..42632be
--- /dev/null
+++ b/Problem21.py
@@ -0,0 +1,17 @@
+def amicablesum(n):
+    sum = 0
+    sum2 = 0
+    for x in range(1,int(n/2)+1):
+        if n%x==0:
+            sum+=x
+    for x in range(1, int(sum/2)+1):
+        if sum%x==0:
+            sum2 +=x
+    if (n!=sum)and(sum2 == n): return n
+    else: return 0
+sumcounter = 0
+for x in range(1,10000):
+    sumcounter += amicablesum(x)
+    print(sumcounter)
+print("final sum of amicable numbers is:" ,sumcounter)
+