21859082

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2221}}^1$

素因数の和:2286

約数の個数: 32

約数和(自身を含む): 40529280

約数和(自身を除く): 18670198

約数列:

[1, 2, 7, 14, 19, 37, 38, 74, 133, 259, 266, 518, 703, 1406, 2221, 4442, 4921, 9842, 15547, 31094, 42199, 82177, 84398, 164354, 295393, 575239, 590786, 1150478, 1561363, 3122726, 10929541, 21859082]

約数ペア:

[(1, 21859082), (2, 10929541), (7, 3122726), (14, 1561363), (19, 1150478), (37, 590786), (38, 575239), (74, 295393), (133, 164354), (259, 84398), (266, 82177), (518, 42199), (703, 31094), (1406, 15547), (2221, 9842), (4442, 4921)]