20211492784

素因数分解:

$2^4\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1596989}}^1$

素因数の和:1597117

約数の個数: 40

約数和(自身を含む): 45150101280

約数和(自身を除く): 24938608496

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 113, 226, 452, 791, 904, 1582, 1808, 3164, 6328, 12656, 1596989, 3193978, 6387956, 11178923, 12775912, 22357846, 25551824, 44715692, 89431384, 178862768, 180459757, 360919514, 721839028, 1263218299, 1443678056, 2526436598, 2887356112, 5052873196, 10105746392, 20211492784]

約数ペア:

[(1, 20211492784), (2, 10105746392), (4, 5052873196), (7, 2887356112), (8, 2526436598), (14, 1443678056), (16, 1263218299), (28, 721839028), (56, 360919514), (112, 180459757), (113, 178862768), (226, 89431384), (452, 44715692), (791, 25551824), (904, 22357846), (1582, 12775912), (1808, 11178923), (3164, 6387956), (6328, 3193978), (12656, 1596989)]