21460985728

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{80107}}^1$

素因数の和:80164

約数の個数: 128

約数和(自身を含む): 54909227520

約数和(自身を除く): 33448241792

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 23, 26, 28, 32, 46, 52, 56, 64, 91, 92, 104, 112, 128, 161, 182, 184, 208, 224, 299, 322, 364, 368, 416, 448, 598, 644, 728, 736, 832, 896, 1196, 1288, 1456, 1472, 1664, 2093, 2392, 2576, 2912, 2944, 4186, 4784, 5152, 5824, 8372, 9568, 10304, 11648, 16744, 19136, 20608, 33488, 38272, 66976, 80107, 133952, 160214, 267904, 320428, 560749, 640856, 1041391, 1121498, 1281712, 1842461, 2082782, 2242996, 2563424, 3684922, 4165564, 4485992, 5126848, 7289737, 7369844, 8331128, 8971984, 10253696, 12897227, 14579474, 14739688, 16662256, 17943968, 23951993, 25794454, 29158948, 29479376, 33324512, 35887936, 47903986, 51588908, 58317896, 58958752, 66649024, 71775872, 95807972, 103177816, 116635792, 117917504, 133298048, 167663951, 191615944, 206355632, 233271584, 235835008, 335327902, 383231888, 412711264, 466543168, 670655804, 766463776, 825422528, 933086336, 1341311608, 1532927552, 1650845056, 2682623216, 3065855104, 5365246432, 10730492864, 21460985728]

約数ペア:

[(1, 21460985728), (2, 10730492864), (4, 5365246432), (7, 3065855104), (8, 2682623216), (13, 1650845056), (14, 1532927552), (16, 1341311608), (23, 933086336), (26, 825422528), (28, 766463776), (32, 670655804), (46, 466543168), (52, 412711264), (56, 383231888), (64, 335327902), (91, 235835008), (92, 233271584), (104, 206355632), (112, 191615944), (128, 167663951), (161, 133298048), (182, 117917504), (184, 116635792), (208, 103177816), (224, 95807972), (299, 71775872), (322, 66649024), (364, 58958752), (368, 58317896), (416, 51588908), (448, 47903986), (598, 35887936), (644, 33324512), (728, 29479376), (736, 29158948), (832, 25794454), (896, 23951993), (1196, 17943968), (1288, 16662256), (1456, 14739688), (1472, 14579474), (1664, 12897227), (2093, 10253696), (2392, 8971984), (2576, 8331128), (2912, 7369844), (2944, 7289737), (4186, 5126848), (4784, 4485992), (5152, 4165564), (5824, 3684922), (8372, 2563424), (9568, 2242996), (10304, 2082782), (11648, 1842461), (16744, 1281712), (19136, 1121498), (20608, 1041391), (33488, 640856), (38272, 560749), (66976, 320428), (80107, 267904), (133952, 160214)]