21160854

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8221}}^1$

素因数の和:8253

約数の個数: 48

約数和(自身を含む): 53870544

約数和(自身を除く): 32709690

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 78, 99, 117, 143, 198, 234, 286, 429, 858, 1287, 2574, 8221, 16442, 24663, 49326, 73989, 90431, 106873, 147978, 180862, 213746, 271293, 320619, 542586, 641238, 813879, 961857, 1175603, 1627758, 1923714, 2351206, 3526809, 7053618, 10580427, 21160854]

約数ペア:

[(1, 21160854), (2, 10580427), (3, 7053618), (6, 3526809), (9, 2351206), (11, 1923714), (13, 1627758), (18, 1175603), (22, 961857), (26, 813879), (33, 641238), (39, 542586), (66, 320619), (78, 271293), (99, 213746), (117, 180862), (143, 147978), (198, 106873), (234, 90431), (286, 73989), (429, 49326), (858, 24663), (1287, 16442), (2574, 8221)]