21686392

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29789}}^1$

素因数の和:29815

約数の個数: 32

約数和(自身を含む): 50047200

約数和(自身を除く): 28360808

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 29789, 59578, 119156, 208523, 238312, 387257, 417046, 774514, 834092, 1549028, 1668184, 2710799, 3098056, 5421598, 10843196, 21686392]

約数ペア:

[(1, 21686392), (2, 10843196), (4, 5421598), (7, 3098056), (8, 2710799), (13, 1668184), (14, 1549028), (26, 834092), (28, 774514), (52, 417046), (56, 387257), (91, 238312), (104, 208523), (182, 119156), (364, 59578), (728, 29789)]