21050741072

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{11643109}}^1$

素因数の和:11643230

約数の個数: 20

約数和(自身を含む): 41146750740

約数和(自身を除く): 20096009668

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 11643109, 23286218, 46572436, 93144872, 186289744, 1315671317, 2631342634, 5262685268, 10525370536, 21050741072]

約数ペア:

[(1, 21050741072), (2, 10525370536), (4, 5262685268), (8, 2631342634), (16, 1315671317), (113, 186289744), (226, 93144872), (452, 46572436), (904, 23286218), (1808, 11643109)]