21554208

素因数分解:

$2^5\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:152

約数の個数: 192

約数和(自身を含む): 71971200

約数和(自身を除く): 50416992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 27, 32, 36, 38, 39, 48, 52, 54, 57, 72, 76, 78, 96, 101, 104, 108, 114, 117, 144, 152, 156, 171, 202, 208, 216, 228, 234, 247, 288, 303, 304, 312, 342, 351, 404, 416, 432, 456, 468, 494, 513, 606, 608, 624, 684, 702, 741, 808, 864, 909, 912, 936, 988, 1026, 1212, 1248, 1313, 1368, 1404, 1482, 1616, 1818, 1824, 1872, 1919, 1976, 2052, 2223, 2424, 2626, 2727, 2736, 2808, 2964, 3232, 3636, 3744, 3838, 3939, 3952, 4104, 4446, 4848, 5252, 5454, 5472, 5616, 5757, 5928, 6669, 7272, 7676, 7878, 7904, 8208, 8892, 9696, 10504, 10908, 11232, 11514, 11817, 11856, 13338, 14544, 15352, 15756, 16416, 17271, 17784, 21008, 21816, 23028, 23634, 23712, 24947, 26676, 29088, 30704, 31512, 34542, 35451, 35568, 42016, 43632, 46056, 47268, 49894, 51813, 53352, 61408, 63024, 69084, 70902, 71136, 74841, 87264, 92112, 94536, 99788, 103626, 106704, 126048, 138168, 141804, 149682, 184224, 189072, 199576, 207252, 213408, 224523, 276336, 283608, 299364, 378144, 399152, 414504, 449046, 552672, 567216, 598728, 673569, 798304, 829008, 898092, 1134432, 1197456, 1347138, 1658016, 1796184, 2394912, 2694276, 3592368, 5388552, 7184736, 10777104, 21554208]

約数ペア:

[(1, 21554208), (2, 10777104), (3, 7184736), (4, 5388552), (6, 3592368), (8, 2694276), (9, 2394912), (12, 1796184), (13, 1658016), (16, 1347138), (18, 1197456), (19, 1134432), (24, 898092), (26, 829008), (27, 798304), (32, 673569), (36, 598728), (38, 567216), (39, 552672), (48, 449046), (52, 414504), (54, 399152), (57, 378144), (72, 299364), (76, 283608), (78, 276336), (96, 224523), (101, 213408), (104, 207252), (108, 199576), (114, 189072), (117, 184224), (144, 149682), (152, 141804), (156, 138168), (171, 126048), (202, 106704), (208, 103626), (216, 99788), (228, 94536), (234, 92112), (247, 87264), (288, 74841), (303, 71136), (304, 70902), (312, 69084), (342, 63024), (351, 61408), (404, 53352), (416, 51813), (432, 49894), (456, 47268), (468, 46056), (494, 43632), (513, 42016), (606, 35568), (608, 35451), (624, 34542), (684, 31512), (702, 30704), (741, 29088), (808, 26676), (864, 24947), (909, 23712), (912, 23634), (936, 23028), (988, 21816), (1026, 21008), (1212, 17784), (1248, 17271), (1313, 16416), (1368, 15756), (1404, 15352), (1482, 14544), (1616, 13338), (1818, 11856), (1824, 11817), (1872, 11514), (1919, 11232), (1976, 10908), (2052, 10504), (2223, 9696), (2424, 8892), (2626, 8208), (2727, 7904), (2736, 7878), (2808, 7676), (2964, 7272), (3232, 6669), (3636, 5928), (3744, 5757), (3838, 5616), (3939, 5472), (3952, 5454), (4104, 5252), (4446, 4848)]