21157229184

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19531}}^1$

素因数の和:19599

約数の個数: 256

約数和(自身を含む): 71402741760

約数和(自身を除く): 50245512576

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 31, 32, 39, 42, 48, 52, 56, 62, 64, 78, 84, 91, 93, 96, 104, 112, 124, 128, 156, 168, 182, 186, 192, 208, 217, 224, 248, 273, 312, 336, 364, 372, 384, 403, 416, 434, 448, 496, 546, 624, 651, 672, 728, 744, 806, 832, 868, 896, 992, 1092, 1209, 1248, 1302, 1344, 1456, 1488, 1612, 1664, 1736, 1984, 2184, 2418, 2496, 2604, 2688, 2821, 2912, 2976, 3224, 3472, 3968, 4368, 4836, 4992, 5208, 5642, 5824, 5952, 6448, 6944, 8463, 8736, 9672, 10416, 11284, 11648, 11904, 12896, 13888, 16926, 17472, 19344, 19531, 20832, 22568, 25792, 27776, 33852, 34944, 38688, 39062, 41664, 45136, 51584, 58593, 67704, 77376, 78124, 83328, 90272, 117186, 135408, 136717, 154752, 156248, 180544, 234372, 253903, 270816, 273434, 312496, 361088, 410151, 468744, 507806, 541632, 546868, 605461, 624992, 761709, 820302, 937488, 1015612, 1083264, 1093736, 1210922, 1249984, 1523418, 1640604, 1777321, 1816383, 1874976, 2031224, 2187472, 2421844, 2499968, 3046836, 3281208, 3554642, 3632766, 3749952, 4062448, 4238227, 4374944, 4843688, 5331963, 6093672, 6562416, 7109284, 7265532, 7499904, 7870993, 8124896, 8476454, 8749888, 9687376, 10663926, 12187344, 12714681, 13124832, 14218568, 14531064, 15741986, 16249792, 16952908, 17499776, 19374752, 21327852, 23612979, 24374688, 25429362, 26249664, 28437136, 29062128, 31483972, 32499584, 33905816, 38749504, 42655704, 47225958, 48749376, 50858724, 52499328, 55096951, 56874272, 58124256, 62967944, 67811632, 77499008, 85311408, 94451916, 97498752, 101717448, 110193902, 113748544, 116248512, 125935888, 135623264, 165290853, 170622816, 188903832, 203434896, 220387804, 227497088, 232497024, 251871776, 271246528, 330581706, 341245632, 377807664, 406869792, 440775608, 503743552, 542493056, 661163412, 682491264, 755615328, 813739584, 881551216, 1007487104, 1322326824, 1511230656, 1627479168, 1763102432, 2644653648, 3022461312, 3526204864, 5289307296, 7052409728, 10578614592, 21157229184]

約数ペア:

[(1, 21157229184), (2, 10578614592), (3, 7052409728), (4, 5289307296), (6, 3526204864), (7, 3022461312), (8, 2644653648), (12, 1763102432), (13, 1627479168), (14, 1511230656), (16, 1322326824), (21, 1007487104), (24, 881551216), (26, 813739584), (28, 755615328), (31, 682491264), (32, 661163412), (39, 542493056), (42, 503743552), (48, 440775608), (52, 406869792), (56, 377807664), (62, 341245632), (64, 330581706), (78, 271246528), (84, 251871776), (91, 232497024), (93, 227497088), (96, 220387804), (104, 203434896), (112, 188903832), (124, 170622816), (128, 165290853), (156, 135623264), (168, 125935888), (182, 116248512), (186, 113748544), (192, 110193902), (208, 101717448), (217, 97498752), (224, 94451916), (248, 85311408), (273, 77499008), (312, 67811632), (336, 62967944), (364, 58124256), (372, 56874272), (384, 55096951), (403, 52499328), (416, 50858724), (434, 48749376), (448, 47225958), (496, 42655704), (546, 38749504), (624, 33905816), (651, 32499584), (672, 31483972), (728, 29062128), (744, 28437136), (806, 26249664), (832, 25429362), (868, 24374688), (896, 23612979), (992, 21327852), (1092, 19374752), (1209, 17499776), (1248, 16952908), (1302, 16249792), (1344, 15741986), (1456, 14531064), (1488, 14218568), (1612, 13124832), (1664, 12714681), (1736, 12187344), (1984, 10663926), (2184, 9687376), (2418, 8749888), (2496, 8476454), (2604, 8124896), (2688, 7870993), (2821, 7499904), (2912, 7265532), (2976, 7109284), (3224, 6562416), (3472, 6093672), (3968, 5331963), (4368, 4843688), (4836, 4374944), (4992, 4238227), (5208, 4062448), (5642, 3749952), (5824, 3632766), (5952, 3554642), (6448, 3281208), (6944, 3046836), (8463, 2499968), (8736, 2421844), (9672, 2187472), (10416, 2031224), (11284, 1874976), (11648, 1816383), (11904, 1777321), (12896, 1640604), (13888, 1523418), (16926, 1249984), (17472, 1210922), (19344, 1093736), (19531, 1083264), (20832, 1015612), (22568, 937488), (25792, 820302), (27776, 761709), (33852, 624992), (34944, 605461), (38688, 546868), (39062, 541632), (41664, 507806), (45136, 468744), (51584, 410151), (58593, 361088), (67704, 312496), (77376, 273434), (78124, 270816), (83328, 253903), (90272, 234372), (117186, 180544), (135408, 156248), (136717, 154752)]