21686546

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{467}}^1$

素因数の和:614

約数の個数: 32

約数和(自身を含む): 38817792

約数和(自身を除く): 17131246

約数列:

[1, 2, 7, 14, 31, 62, 107, 214, 217, 434, 467, 749, 934, 1498, 3269, 3317, 6538, 6634, 14477, 23219, 28954, 46438, 49969, 99938, 101339, 202678, 349783, 699566, 1549039, 3098078, 10843273, 21686546]

約数ペア:

[(1, 21686546), (2, 10843273), (7, 3098078), (14, 1549039), (31, 699566), (62, 349783), (107, 202678), (214, 101339), (217, 99938), (434, 49969), (467, 46438), (749, 28954), (934, 23219), (1498, 14477), (3269, 6634), (3317, 6538)]