21217949256

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{739}}^1$

素因数の和:972

約数の個数: 256

約数和(自身を含む): 64788480000

約数和(自身を除く): 43570530744

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 37, 42, 56, 62, 74, 84, 93, 111, 124, 148, 149, 168, 186, 217, 222, 248, 259, 296, 298, 372, 434, 444, 447, 518, 596, 651, 739, 744, 777, 868, 888, 894, 1036, 1043, 1147, 1192, 1302, 1478, 1554, 1736, 1788, 2072, 2086, 2217, 2294, 2604, 2956, 3108, 3129, 3441, 3576, 4172, 4434, 4588, 4619, 5173, 5208, 5513, 5912, 6216, 6258, 6882, 8029, 8344, 8868, 9176, 9238, 10346, 11026, 12516, 13764, 13857, 15519, 16058, 16539, 17736, 18476, 20692, 22052, 22909, 24087, 25032, 27343, 27528, 27714, 31038, 32116, 32333, 33078, 36952, 38591, 41384, 44104, 45818, 48174, 54686, 55428, 62076, 64232, 64666, 66156, 68727, 77182, 82029, 91636, 96348, 96999, 109372, 110111, 110856, 115773, 124152, 129332, 132312, 137454, 154364, 160363, 164058, 170903, 183272, 191401, 192696, 193998, 218744, 220222, 231546, 258664, 274908, 308728, 320726, 328116, 330333, 341806, 382802, 387996, 440444, 463092, 481089, 512709, 549816, 574203, 641452, 656232, 660666, 683612, 765604, 770777, 775992, 847633, 880888, 926184, 962178, 1025418, 1148406, 1196321, 1282904, 1321332, 1367224, 1531208, 1541554, 1695266, 1924356, 2050836, 2296812, 2312331, 2392642, 2542899, 2642664, 3083108, 3390532, 3413441, 3588963, 3848712, 4074107, 4101672, 4593624, 4624662, 4785284, 5085798, 5933431, 6166216, 6781064, 6826882, 7177926, 8148214, 9249324, 9570568, 10171596, 10240323, 11866862, 12222321, 13653764, 14355852, 16296428, 17800293, 18498648, 20343192, 20480646, 23733724, 23894087, 24444642, 27307528, 28518749, 28711704, 32592856, 35600586, 40961292, 47467448, 47788174, 48889284, 57037498, 71201172, 71682261, 81922584, 85556247, 95576348, 97778568, 114074996, 126297317, 142402344, 143364522, 171112494, 191152696, 228149992, 252594634, 286729044, 342224988, 378891951, 505189268, 573458088, 684449976, 757783902, 884081219, 1010378536, 1515567804, 1768162438, 2652243657, 3031135608, 3536324876, 5304487314, 7072649752, 10608974628, 21217949256]

約数ペア:

[(1, 21217949256), (2, 10608974628), (3, 7072649752), (4, 5304487314), (6, 3536324876), (7, 3031135608), (8, 2652243657), (12, 1768162438), (14, 1515567804), (21, 1010378536), (24, 884081219), (28, 757783902), (31, 684449976), (37, 573458088), (42, 505189268), (56, 378891951), (62, 342224988), (74, 286729044), (84, 252594634), (93, 228149992), (111, 191152696), (124, 171112494), (148, 143364522), (149, 142402344), (168, 126297317), (186, 114074996), (217, 97778568), (222, 95576348), (248, 85556247), (259, 81922584), (296, 71682261), (298, 71201172), (372, 57037498), (434, 48889284), (444, 47788174), (447, 47467448), (518, 40961292), (596, 35600586), (651, 32592856), (739, 28711704), (744, 28518749), (777, 27307528), (868, 24444642), (888, 23894087), (894, 23733724), (1036, 20480646), (1043, 20343192), (1147, 18498648), (1192, 17800293), (1302, 16296428), (1478, 14355852), (1554, 13653764), (1736, 12222321), (1788, 11866862), (2072, 10240323), (2086, 10171596), (2217, 9570568), (2294, 9249324), (2604, 8148214), (2956, 7177926), (3108, 6826882), (3129, 6781064), (3441, 6166216), (3576, 5933431), (4172, 5085798), (4434, 4785284), (4588, 4624662), (4619, 4593624), (5173, 4101672), (5208, 4074107), (5513, 3848712), (5912, 3588963), (6216, 3413441), (6258, 3390532), (6882, 3083108), (8029, 2642664), (8344, 2542899), (8868, 2392642), (9176, 2312331), (9238, 2296812), (10346, 2050836), (11026, 1924356), (12516, 1695266), (13764, 1541554), (13857, 1531208), (15519, 1367224), (16058, 1321332), (16539, 1282904), (17736, 1196321), (18476, 1148406), (20692, 1025418), (22052, 962178), (22909, 926184), (24087, 880888), (25032, 847633), (27343, 775992), (27528, 770777), (27714, 765604), (31038, 683612), (32116, 660666), (32333, 656232), (33078, 641452), (36952, 574203), (38591, 549816), (41384, 512709), (44104, 481089), (45818, 463092), (48174, 440444), (54686, 387996), (55428, 382802), (62076, 341806), (64232, 330333), (64666, 328116), (66156, 320726), (68727, 308728), (77182, 274908), (82029, 258664), (91636, 231546), (96348, 220222), (96999, 218744), (109372, 193998), (110111, 192696), (110856, 191401), (115773, 183272), (124152, 170903), (129332, 164058), (132312, 160363), (137454, 154364)]