21096294560

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1\times {\mathrm{487}}^1$

素因数の和:827

約数の個数: 192

約数和(自身を含む): 55179823104

約数和(自身を除く): 34083528544

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 151, 160, 163, 176, 220, 302, 326, 352, 440, 487, 604, 652, 755, 815, 880, 974, 1208, 1304, 1510, 1630, 1661, 1760, 1793, 1948, 2416, 2435, 2608, 3020, 3260, 3322, 3586, 3896, 4832, 4870, 5216, 5357, 6040, 6520, 6644, 7172, 7792, 8305, 8965, 9740, 10714, 12080, 13040, 13288, 14344, 15584, 16610, 17930, 19480, 21428, 24160, 24613, 26080, 26576, 26785, 28688, 33220, 35860, 38960, 42856, 49226, 53152, 53570, 57376, 66440, 71720, 73537, 77920, 79381, 85712, 98452, 107140, 123065, 132880, 143440, 147074, 158762, 171424, 196904, 214280, 246130, 265760, 270743, 286880, 294148, 317524, 367685, 393808, 396905, 428560, 492260, 541486, 588296, 635048, 735370, 787616, 793810, 808907, 857120, 873191, 984520, 1082972, 1176592, 1270096, 1353715, 1470740, 1587620, 1617814, 1746382, 1969040, 2165944, 2353184, 2540192, 2707430, 2941480, 3175240, 3235628, 3492764, 3938080, 4044535, 4331888, 4365955, 5414860, 5882960, 6350480, 6471256, 6985528, 8089070, 8663776, 8731910, 10829720, 11765920, 11986531, 12700960, 12942512, 13971056, 16178140, 17463820, 21659440, 23973062, 25885024, 27942112, 32356280, 34927640, 43318880, 47946124, 59932655, 64712560, 69855280, 95892248, 119865310, 129425120, 131851841, 139710560, 191784496, 239730620, 263703682, 383568992, 479461240, 527407364, 659259205, 958922480, 1054814728, 1318518410, 1917844960, 2109629456, 2637036820, 4219258912, 5274073640, 10548147280, 21096294560]

約数ペア:

[(1, 21096294560), (2, 10548147280), (4, 5274073640), (5, 4219258912), (8, 2637036820), (10, 2109629456), (11, 1917844960), (16, 1318518410), (20, 1054814728), (22, 958922480), (32, 659259205), (40, 527407364), (44, 479461240), (55, 383568992), (80, 263703682), (88, 239730620), (110, 191784496), (151, 139710560), (160, 131851841), (163, 129425120), (176, 119865310), (220, 95892248), (302, 69855280), (326, 64712560), (352, 59932655), (440, 47946124), (487, 43318880), (604, 34927640), (652, 32356280), (755, 27942112), (815, 25885024), (880, 23973062), (974, 21659440), (1208, 17463820), (1304, 16178140), (1510, 13971056), (1630, 12942512), (1661, 12700960), (1760, 11986531), (1793, 11765920), (1948, 10829720), (2416, 8731910), (2435, 8663776), (2608, 8089070), (3020, 6985528), (3260, 6471256), (3322, 6350480), (3586, 5882960), (3896, 5414860), (4832, 4365955), (4870, 4331888), (5216, 4044535), (5357, 3938080), (6040, 3492764), (6520, 3235628), (6644, 3175240), (7172, 2941480), (7792, 2707430), (8305, 2540192), (8965, 2353184), (9740, 2165944), (10714, 1969040), (12080, 1746382), (13040, 1617814), (13288, 1587620), (14344, 1470740), (15584, 1353715), (16610, 1270096), (17930, 1176592), (19480, 1082972), (21428, 984520), (24160, 873191), (24613, 857120), (26080, 808907), (26576, 793810), (26785, 787616), (28688, 735370), (33220, 635048), (35860, 588296), (38960, 541486), (42856, 492260), (49226, 428560), (53152, 396905), (53570, 393808), (57376, 367685), (66440, 317524), (71720, 294148), (73537, 286880), (77920, 270743), (79381, 265760), (85712, 246130), (98452, 214280), (107140, 196904), (123065, 171424), (132880, 158762), (143440, 147074)]