21440232

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:164

約数の個数: 144

約数和(自身を含む): 67223520

約数和(自身を除く): 45783288

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 23, 24, 33, 36, 44, 46, 66, 69, 72, 88, 92, 99, 107, 121, 132, 138, 184, 198, 207, 214, 242, 253, 264, 276, 321, 363, 396, 414, 428, 484, 506, 552, 642, 726, 759, 792, 828, 856, 963, 968, 1012, 1089, 1177, 1284, 1452, 1518, 1656, 1926, 2024, 2178, 2277, 2354, 2461, 2568, 2783, 2904, 3036, 3531, 3852, 4356, 4554, 4708, 4922, 5566, 6072, 7062, 7383, 7704, 8349, 8712, 9108, 9416, 9844, 10593, 11132, 12947, 14124, 14766, 16698, 18216, 19688, 21186, 22149, 22264, 25047, 25894, 27071, 28248, 29532, 33396, 38841, 42372, 44298, 50094, 51788, 54142, 59064, 66792, 77682, 81213, 84744, 88596, 100188, 103576, 108284, 116523, 155364, 162426, 177192, 200376, 216568, 233046, 243639, 297781, 310728, 324852, 466092, 487278, 595562, 649704, 893343, 932184, 974556, 1191124, 1786686, 1949112, 2382248, 2680029, 3573372, 5360058, 7146744, 10720116, 21440232]

約数ペア:

[(1, 21440232), (2, 10720116), (3, 7146744), (4, 5360058), (6, 3573372), (8, 2680029), (9, 2382248), (11, 1949112), (12, 1786686), (18, 1191124), (22, 974556), (23, 932184), (24, 893343), (33, 649704), (36, 595562), (44, 487278), (46, 466092), (66, 324852), (69, 310728), (72, 297781), (88, 243639), (92, 233046), (99, 216568), (107, 200376), (121, 177192), (132, 162426), (138, 155364), (184, 116523), (198, 108284), (207, 103576), (214, 100188), (242, 88596), (253, 84744), (264, 81213), (276, 77682), (321, 66792), (363, 59064), (396, 54142), (414, 51788), (428, 50094), (484, 44298), (506, 42372), (552, 38841), (642, 33396), (726, 29532), (759, 28248), (792, 27071), (828, 25894), (856, 25047), (963, 22264), (968, 22149), (1012, 21186), (1089, 19688), (1177, 18216), (1284, 16698), (1452, 14766), (1518, 14124), (1656, 12947), (1926, 11132), (2024, 10593), (2178, 9844), (2277, 9416), (2354, 9108), (2461, 8712), (2568, 8349), (2783, 7704), (2904, 7383), (3036, 7062), (3531, 6072), (3852, 5566), (4356, 4922), (4554, 4708)]