21387336

素因数分解:

$2^3\times 3^1\times {\mathrm{97}}^1\times {\mathrm{9187}}^1$

素因数の和:9293

約数の個数: 32

約数和(自身を含む): 54025440

約数和(自身を除く): 32638104

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 97, 194, 291, 388, 582, 776, 1164, 2328, 9187, 18374, 27561, 36748, 55122, 73496, 110244, 220488, 891139, 1782278, 2673417, 3564556, 5346834, 7129112, 10693668, 21387336]

約数ペア:

[(1, 21387336), (2, 10693668), (3, 7129112), (4, 5346834), (6, 3564556), (8, 2673417), (12, 1782278), (24, 891139), (97, 220488), (194, 110244), (291, 73496), (388, 55122), (582, 36748), (776, 27561), (1164, 18374), (2328, 9187)]