21952049

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1$

素因数の和:142

約数の個数: 36

約数和(自身を含む): 28927044

約数和(自身を除く): 6974995

約数列:

[1, 7, 17, 19, 49, 73, 119, 133, 323, 361, 511, 833, 931, 1241, 1387, 2261, 2527, 3577, 6137, 8687, 9709, 15827, 17689, 23579, 26353, 42959, 60809, 67963, 165053, 184471, 300713, 448001, 1155371, 1291297, 3136007, 21952049]

約数ペア:

[(1, 21952049), (7, 3136007), (17, 1291297), (19, 1155371), (49, 448001), (73, 300713), (119, 184471), (133, 165053), (323, 67963), (361, 60809), (511, 42959), (833, 26353), (931, 23579), (1241, 17689), (1387, 15827), (2261, 9709), (2527, 8687), (3577, 6137)]