17 сравнение с минимумом

data = open('107_17.txt').readlines()
a = list(map(int, data))
mn = 100000000
for e in a:
    if e % 21 == 0:
        mn = min(mn, e)
cnt = 0
mx = -1
for i in range(len(a) - 1):
    if a[i] % mn == 0 or a[i + 1] % mn == 0:
        cnt += 1
        mx = max(mx, a[i] + a[i + 1])
print(cnt, mx)