21005737872

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{571}}^1\times {\mathrm{15641}}^1$

素因数の和:16237

約数の個数: 120

約数和(自身を含む): 63238979232

約数和(自身を除く): 42233241360

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 84, 98, 112, 147, 168, 196, 294, 336, 392, 571, 588, 784, 1142, 1176, 1713, 2284, 2352, 3426, 3997, 4568, 6852, 7994, 9136, 11991, 13704, 15641, 15988, 23982, 27408, 27979, 31282, 31976, 46923, 47964, 55958, 62564, 63952, 83937, 93846, 95928, 109487, 111916, 125128, 167874, 187692, 191856, 218974, 223832, 250256, 328461, 335748, 375384, 437948, 447664, 656922, 671496, 750768, 766409, 875896, 1313844, 1342992, 1532818, 1751792, 2299227, 2627688, 3065636, 4598454, 5255376, 6131272, 8931011, 9196908, 12262544, 17862022, 18393816, 26793033, 35724044, 36787632, 53586066, 62517077, 71448088, 107172132, 125034154, 142896176, 187551231, 214344264, 250068308, 375102462, 428688528, 437619539, 500136616, 750204924, 875239078, 1000273232, 1312858617, 1500409848, 1750478156, 2625717234, 3000819696, 3500956312, 5251434468, 7001912624, 10502868936, 21005737872]

約数ペア:

[(1, 21005737872), (2, 10502868936), (3, 7001912624), (4, 5251434468), (6, 3500956312), (7, 3000819696), (8, 2625717234), (12, 1750478156), (14, 1500409848), (16, 1312858617), (21, 1000273232), (24, 875239078), (28, 750204924), (42, 500136616), (48, 437619539), (49, 428688528), (56, 375102462), (84, 250068308), (98, 214344264), (112, 187551231), (147, 142896176), (168, 125034154), (196, 107172132), (294, 71448088), (336, 62517077), (392, 53586066), (571, 36787632), (588, 35724044), (784, 26793033), (1142, 18393816), (1176, 17862022), (1713, 12262544), (2284, 9196908), (2352, 8931011), (3426, 6131272), (3997, 5255376), (4568, 4598454), (6852, 3065636), (7994, 2627688), (9136, 2299227), (11991, 1751792), (13704, 1532818), (15641, 1342992), (15988, 1313844), (23982, 875896), (27408, 766409), (27979, 750768), (31282, 671496), (31976, 656922), (46923, 447664), (47964, 437948), (55958, 375384), (62564, 335748), (63952, 328461), (83937, 250256), (93846, 223832), (95928, 218974), (109487, 191856), (111916, 187692), (125128, 167874)]