21607488

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1$

素因数の和:281

約数の個数: 168

約数和(自身を含む): 74176128

約数和(自身を除く): 52568640

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 28, 32, 36, 42, 46, 48, 56, 63, 64, 69, 72, 84, 92, 96, 112, 126, 138, 144, 161, 168, 184, 192, 207, 224, 233, 252, 276, 288, 322, 336, 368, 414, 448, 466, 483, 504, 552, 576, 644, 672, 699, 736, 828, 932, 966, 1008, 1104, 1288, 1344, 1398, 1449, 1472, 1631, 1656, 1864, 1932, 2016, 2097, 2208, 2576, 2796, 2898, 3262, 3312, 3728, 3864, 4032, 4194, 4416, 4893, 5152, 5359, 5592, 5796, 6524, 6624, 7456, 7728, 8388, 9786, 10304, 10718, 11184, 11592, 13048, 13248, 14679, 14912, 15456, 16077, 16776, 19572, 21436, 22368, 23184, 26096, 29358, 30912, 32154, 33552, 37513, 39144, 42872, 44736, 46368, 48231, 52192, 58716, 64308, 67104, 75026, 78288, 85744, 92736, 96462, 104384, 112539, 117432, 128616, 134208, 150052, 156576, 171488, 192924, 225078, 234864, 257232, 300104, 313152, 337617, 342976, 385848, 450156, 469728, 514464, 600208, 675234, 771696, 900312, 939456, 1028928, 1200416, 1350468, 1543392, 1800624, 2400832, 2700936, 3086784, 3601248, 5401872, 7202496, 10803744, 21607488]

約数ペア:

[(1, 21607488), (2, 10803744), (3, 7202496), (4, 5401872), (6, 3601248), (7, 3086784), (8, 2700936), (9, 2400832), (12, 1800624), (14, 1543392), (16, 1350468), (18, 1200416), (21, 1028928), (23, 939456), (24, 900312), (28, 771696), (32, 675234), (36, 600208), (42, 514464), (46, 469728), (48, 450156), (56, 385848), (63, 342976), (64, 337617), (69, 313152), (72, 300104), (84, 257232), (92, 234864), (96, 225078), (112, 192924), (126, 171488), (138, 156576), (144, 150052), (161, 134208), (168, 128616), (184, 117432), (192, 112539), (207, 104384), (224, 96462), (233, 92736), (252, 85744), (276, 78288), (288, 75026), (322, 67104), (336, 64308), (368, 58716), (414, 52192), (448, 48231), (466, 46368), (483, 44736), (504, 42872), (552, 39144), (576, 37513), (644, 33552), (672, 32154), (699, 30912), (736, 29358), (828, 26096), (932, 23184), (966, 22368), (1008, 21436), (1104, 19572), (1288, 16776), (1344, 16077), (1398, 15456), (1449, 14912), (1472, 14679), (1631, 13248), (1656, 13048), (1864, 11592), (1932, 11184), (2016, 10718), (2097, 10304), (2208, 9786), (2576, 8388), (2796, 7728), (2898, 7456), (3262, 6624), (3312, 6524), (3728, 5796), (3864, 5592), (4032, 5359), (4194, 5152), (4416, 4893)]