21275214240

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{1619}}^1\times {\mathrm{3911}}^1$

素因数の和:5555

約数の個数: 192

約数和(自身を含む): 76657674240

約数和(自身を除く): 55382460000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1619, 1680, 3238, 3360, 3911, 4857, 6476, 7822, 8095, 9714, 11333, 11733, 12952, 15644, 16190, 19428, 19555, 22666, 23466, 24285, 25904, 27377, 31288, 32380, 33999, 38856, 39110, 45332, 46932, 48570, 51808, 54754, 56665, 58665, 62576, 64760, 67998, 77712, 78220, 82131, 90664, 93864, 97140, 109508, 113330, 117330, 125152, 129520, 135996, 136885, 155424, 156440, 164262, 169995, 181328, 187728, 194280, 219016, 226660, 234660, 259040, 271992, 273770, 312880, 328524, 339990, 362656, 375456, 388560, 410655, 438032, 453320, 469320, 543984, 547540, 625760, 657048, 679980, 777120, 821310, 876064, 906640, 938640, 1087968, 1095080, 1314096, 1359960, 1642620, 1813280, 1877280, 2190160, 2628192, 2719920, 3285240, 4380320, 5439840, 6331909, 6570480, 12663818, 13140960, 18995727, 25327636, 31659545, 37991454, 44323363, 50655272, 63319090, 75982908, 88646726, 94978635, 101310544, 126638180, 132970089, 151965816, 177293452, 189957270, 202621088, 221616815, 253276360, 265940178, 303931632, 354586904, 379914540, 443233630, 506552720, 531880356, 607863264, 664850445, 709173808, 759829080, 886467260, 1013105440, 1063760712, 1329700890, 1418347616, 1519658160, 1772934520, 2127521424, 2659401780, 3039316320, 3545869040, 4255042848, 5318803560, 7091738080, 10637607120, 21275214240]

約数ペア:

[(1, 21275214240), (2, 10637607120), (3, 7091738080), (4, 5318803560), (5, 4255042848), (6, 3545869040), (7, 3039316320), (8, 2659401780), (10, 2127521424), (12, 1772934520), (14, 1519658160), (15, 1418347616), (16, 1329700890), (20, 1063760712), (21, 1013105440), (24, 886467260), (28, 759829080), (30, 709173808), (32, 664850445), (35, 607863264), (40, 531880356), (42, 506552720), (48, 443233630), (56, 379914540), (60, 354586904), (70, 303931632), (80, 265940178), (84, 253276360), (96, 221616815), (105, 202621088), (112, 189957270), (120, 177293452), (140, 151965816), (160, 132970089), (168, 126638180), (210, 101310544), (224, 94978635), (240, 88646726), (280, 75982908), (336, 63319090), (420, 50655272), (480, 44323363), (560, 37991454), (672, 31659545), (840, 25327636), (1120, 18995727), (1619, 13140960), (1680, 12663818), (3238, 6570480), (3360, 6331909), (3911, 5439840), (4857, 4380320), (6476, 3285240), (7822, 2719920), (8095, 2628192), (9714, 2190160), (11333, 1877280), (11733, 1813280), (12952, 1642620), (15644, 1359960), (16190, 1314096), (19428, 1095080), (19555, 1087968), (22666, 938640), (23466, 906640), (24285, 876064), (25904, 821310), (27377, 777120), (31288, 679980), (32380, 657048), (33999, 625760), (38856, 547540), (39110, 543984), (45332, 469320), (46932, 453320), (48570, 438032), (51808, 410655), (54754, 388560), (56665, 375456), (58665, 362656), (62576, 339990), (64760, 328524), (67998, 312880), (77712, 273770), (78220, 271992), (82131, 259040), (90664, 234660), (93864, 226660), (97140, 219016), (109508, 194280), (113330, 187728), (117330, 181328), (125152, 169995), (129520, 164262), (135996, 156440), (136885, 155424)]