21789474816

素因数分解:

$2^{16}\times 3^1\times {\mathrm{19}}^2\times {\mathrm{307}}^1$

素因数の和:380

約数の個数: 204

約数和(自身を含む): 61523678832

約数和(自身を除く): 39734204016

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 64, 76, 96, 114, 128, 152, 192, 228, 256, 304, 307, 361, 384, 456, 512, 608, 614, 722, 768, 912, 921, 1024, 1083, 1216, 1228, 1444, 1536, 1824, 1842, 2048, 2166, 2432, 2456, 2888, 3072, 3648, 3684, 4096, 4332, 4864, 4912, 5776, 5833, 6144, 7296, 7368, 8192, 8664, 9728, 9824, 11552, 11666, 12288, 14592, 14736, 16384, 17328, 17499, 19456, 19648, 23104, 23332, 24576, 29184, 29472, 32768, 34656, 34998, 38912, 39296, 46208, 46664, 49152, 58368, 58944, 65536, 69312, 69996, 77824, 78592, 92416, 93328, 98304, 110827, 116736, 117888, 138624, 139992, 155648, 157184, 184832, 186656, 196608, 221654, 233472, 235776, 277248, 279984, 311296, 314368, 332481, 369664, 373312, 443308, 466944, 471552, 554496, 559968, 622592, 628736, 664962, 739328, 746624, 886616, 933888, 943104, 1108992, 1119936, 1245184, 1257472, 1329924, 1478656, 1493248, 1773232, 1867776, 1886208, 2217984, 2239872, 2514944, 2659848, 2957312, 2986496, 3546464, 3735552, 3772416, 4435968, 4479744, 5029888, 5319696, 5914624, 5972992, 7092928, 7544832, 8871936, 8959488, 10059776, 10639392, 11829248, 11945984, 14185856, 15089664, 17743872, 17918976, 20119552, 21278784, 23658496, 23891968, 28371712, 30179328, 35487744, 35837952, 42557568, 47783936, 56743424, 60358656, 70975488, 71675904, 85115136, 95567872, 113486848, 143351808, 170230272, 191135744, 226973696, 286703616, 340460544, 382271488, 453947392, 573407232, 680921088, 907894784, 1146814464, 1361842176, 1815789568, 2723684352, 3631579136, 5447368704, 7263158272, 10894737408, 21789474816]

約数ペア:

[(1, 21789474816), (2, 10894737408), (3, 7263158272), (4, 5447368704), (6, 3631579136), (8, 2723684352), (12, 1815789568), (16, 1361842176), (19, 1146814464), (24, 907894784), (32, 680921088), (38, 573407232), (48, 453947392), (57, 382271488), (64, 340460544), (76, 286703616), (96, 226973696), (114, 191135744), (128, 170230272), (152, 143351808), (192, 113486848), (228, 95567872), (256, 85115136), (304, 71675904), (307, 70975488), (361, 60358656), (384, 56743424), (456, 47783936), (512, 42557568), (608, 35837952), (614, 35487744), (722, 30179328), (768, 28371712), (912, 23891968), (921, 23658496), (1024, 21278784), (1083, 20119552), (1216, 17918976), (1228, 17743872), (1444, 15089664), (1536, 14185856), (1824, 11945984), (1842, 11829248), (2048, 10639392), (2166, 10059776), (2432, 8959488), (2456, 8871936), (2888, 7544832), (3072, 7092928), (3648, 5972992), (3684, 5914624), (4096, 5319696), (4332, 5029888), (4864, 4479744), (4912, 4435968), (5776, 3772416), (5833, 3735552), (6144, 3546464), (7296, 2986496), (7368, 2957312), (8192, 2659848), (8664, 2514944), (9728, 2239872), (9824, 2217984), (11552, 1886208), (11666, 1867776), (12288, 1773232), (14592, 1493248), (14736, 1478656), (16384, 1329924), (17328, 1257472), (17499, 1245184), (19456, 1119936), (19648, 1108992), (23104, 943104), (23332, 933888), (24576, 886616), (29184, 746624), (29472, 739328), (32768, 664962), (34656, 628736), (34998, 622592), (38912, 559968), (39296, 554496), (46208, 471552), (46664, 466944), (49152, 443308), (58368, 373312), (58944, 369664), (65536, 332481), (69312, 314368), (69996, 311296), (77824, 279984), (78592, 277248), (92416, 235776), (93328, 233472), (98304, 221654), (110827, 196608), (116736, 186656), (117888, 184832), (138624, 157184), (139992, 155648)]