Seven.
They claimed Trump actually won the popular vote in 2016 as well, that it was a theft in process but someone forgot to switch the numbers for the EC!
Also, Trump made claims about the 2020 Election getting stolen, a year PRIOR to it.
The 2016 Putin stolen myth is theirs as well, as I've not seen anyone but them make such a claim. The collusion question has to do whether Trump was in on Putin's meddling or was unaware of it.