21021617085

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2412119}}^1$

素因数の和:2412217

約数の個数: 32

約数和(自身を含む): 38902671360

約数和(自身を除く): 17881054275

約数列:

[1, 3, 5, 7, 15, 21, 35, 83, 105, 249, 415, 581, 1245, 1743, 2905, 8715, 2412119, 7236357, 12060595, 16884833, 36181785, 50654499, 84424165, 200205877, 253272495, 600617631, 1001029385, 1401441139, 3003088155, 4204323417, 7007205695, 21021617085]

約数ペア:

[(1, 21021617085), (3, 7007205695), (5, 4204323417), (7, 3003088155), (15, 1401441139), (21, 1001029385), (35, 600617631), (83, 253272495), (105, 200205877), (249, 84424165), (415, 50654499), (581, 36181785), (1245, 16884833), (1743, 12060595), (2905, 7236357), (8715, 2412119)]