21308706592

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1\times {\mathrm{641}}^1$

素因数の和:783

約数の個数: 144

約数和(自身を含む): 46267635456

約数和(自身を除く): 24958928864

約数列:

[1, 2, 4, 8, 16, 23, 31, 32, 46, 47, 62, 92, 94, 124, 184, 188, 248, 368, 376, 496, 641, 713, 736, 752, 961, 992, 1081, 1282, 1426, 1457, 1504, 1922, 2162, 2564, 2852, 2914, 3844, 4324, 5128, 5704, 5828, 7688, 8648, 10256, 11408, 11656, 14743, 15376, 17296, 19871, 20512, 22103, 22816, 23312, 29486, 30127, 30752, 33511, 34592, 39742, 44206, 45167, 46624, 58972, 60254, 67022, 79484, 88412, 90334, 117944, 120508, 134044, 158968, 176824, 180668, 235888, 241016, 268088, 317936, 353648, 361336, 457033, 471776, 482032, 536176, 616001, 635872, 692921, 707296, 722672, 914066, 933937, 964064, 1038841, 1072352, 1232002, 1385842, 1445344, 1828132, 1867874, 2077682, 2464004, 2771684, 3656264, 3735748, 4155364, 4928008, 5543368, 7312528, 7471496, 8310728, 9856016, 11086736, 14168023, 14625056, 14942992, 16621456, 19712032, 21480551, 22173472, 28336046, 28952047, 29885984, 33242912, 42961102, 56672092, 57904094, 85922204, 113344184, 115808188, 171844408, 226688368, 231616376, 343688816, 453376736, 463232752, 665897081, 687377632, 926465504, 1331794162, 2663588324, 5327176648, 10654353296, 21308706592]

約数ペア:

[(1, 21308706592), (2, 10654353296), (4, 5327176648), (8, 2663588324), (16, 1331794162), (23, 926465504), (31, 687377632), (32, 665897081), (46, 463232752), (47, 453376736), (62, 343688816), (92, 231616376), (94, 226688368), (124, 171844408), (184, 115808188), (188, 113344184), (248, 85922204), (368, 57904094), (376, 56672092), (496, 42961102), (641, 33242912), (713, 29885984), (736, 28952047), (752, 28336046), (961, 22173472), (992, 21480551), (1081, 19712032), (1282, 16621456), (1426, 14942992), (1457, 14625056), (1504, 14168023), (1922, 11086736), (2162, 9856016), (2564, 8310728), (2852, 7471496), (2914, 7312528), (3844, 5543368), (4324, 4928008), (5128, 4155364), (5704, 3735748), (5828, 3656264), (7688, 2771684), (8648, 2464004), (10256, 2077682), (11408, 1867874), (11656, 1828132), (14743, 1445344), (15376, 1385842), (17296, 1232002), (19871, 1072352), (20512, 1038841), (22103, 964064), (22816, 933937), (23312, 914066), (29486, 722672), (30127, 707296), (30752, 692921), (33511, 635872), (34592, 616001), (39742, 536176), (44206, 482032), (45167, 471776), (46624, 457033), (58972, 361336), (60254, 353648), (67022, 317936), (79484, 268088), (88412, 241016), (90334, 235888), (117944, 180668), (120508, 176824), (134044, 158968)]