21508448689

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1\times {\mathrm{311}}^1$

素因数の和:718

約数の個数: 64

約数和(自身を含む): 28017819648

約数和(自身を除く): 6509370959

約数列:

[1, 7, 13, 23, 91, 161, 173, 191, 299, 311, 1211, 1337, 2093, 2177, 2249, 2483, 3979, 4043, 4393, 7153, 15743, 17381, 27853, 28301, 30751, 33043, 50071, 51727, 53803, 57109, 59401, 92989, 231301, 362089, 376621, 399763, 415807, 429559, 650923, 699439, 759989, 772213, 1237469, 1366223, 3006913, 4896073, 5319923, 5405491, 8662283, 9563561, 9879857, 10276373, 16087097, 17760899, 69158999, 71934611, 112609679, 124326293, 133592849, 236356579, 935149943, 1654496053, 3072635527, 21508448689]

約数ペア:

[(1, 21508448689), (7, 3072635527), (13, 1654496053), (23, 935149943), (91, 236356579), (161, 133592849), (173, 124326293), (191, 112609679), (299, 71934611), (311, 69158999), (1211, 17760899), (1337, 16087097), (2093, 10276373), (2177, 9879857), (2249, 9563561), (2483, 8662283), (3979, 5405491), (4043, 5319923), (4393, 4896073), (7153, 3006913), (15743, 1366223), (17381, 1237469), (27853, 772213), (28301, 759989), (30751, 699439), (33043, 650923), (50071, 429559), (51727, 415807), (53803, 399763), (57109, 376621), (59401, 362089), (92989, 231301)]