21672518

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2221}}^1$

素因数の和:2288

約数の個数: 32

約数和(自身を含む): 40315968

約数和(自身を除く): 18643450

約数列:

[1, 2, 7, 14, 17, 34, 41, 82, 119, 238, 287, 574, 697, 1394, 2221, 4442, 4879, 9758, 15547, 31094, 37757, 75514, 91061, 182122, 264299, 528598, 637427, 1274854, 1548037, 3096074, 10836259, 21672518]

約数ペア:

[(1, 21672518), (2, 10836259), (7, 3096074), (14, 1548037), (17, 1274854), (34, 637427), (41, 528598), (82, 264299), (119, 182122), (238, 91061), (287, 75514), (574, 37757), (697, 31094), (1394, 15547), (2221, 9758), (4442, 4879)]