21409092992

素因数分解:

$2^7\times 7^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1\times {\mathrm{1993}}^1$

素因数の和:2664

約数の個数: 128

約数和(自身を含む): 51416486400

約数和(自身を除く): 30007393408

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 224, 266, 304, 448, 532, 608, 631, 896, 1064, 1216, 1262, 1993, 2128, 2432, 2524, 3986, 4256, 4417, 5048, 7972, 8512, 8834, 10096, 11989, 13951, 15944, 17024, 17668, 20192, 23978, 27902, 31888, 35336, 37867, 40384, 47956, 55804, 63776, 70672, 75734, 80768, 83923, 95912, 111608, 127552, 141344, 151468, 167846, 191824, 223216, 255104, 265069, 282688, 302936, 335692, 383648, 446432, 530138, 565376, 605872, 671384, 767296, 892864, 1060276, 1211744, 1257583, 1342768, 1534592, 1785728, 2120552, 2423488, 2515166, 2685536, 4241104, 4846976, 5030332, 5371072, 8482208, 8803081, 10060664, 10742144, 16964416, 17606162, 20121328, 23894077, 33928832, 35212324, 40242656, 47788154, 70424648, 80485312, 95576308, 140849296, 160970624, 167258539, 191152616, 281698592, 334517078, 382305232, 563397184, 669034156, 764610464, 1126794368, 1338068312, 1529220928, 2676136624, 3058441856, 5352273248, 10704546496, 21409092992]

約数ペア:

[(1, 21409092992), (2, 10704546496), (4, 5352273248), (7, 3058441856), (8, 2676136624), (14, 1529220928), (16, 1338068312), (19, 1126794368), (28, 764610464), (32, 669034156), (38, 563397184), (56, 382305232), (64, 334517078), (76, 281698592), (112, 191152616), (128, 167258539), (133, 160970624), (152, 140849296), (224, 95576308), (266, 80485312), (304, 70424648), (448, 47788154), (532, 40242656), (608, 35212324), (631, 33928832), (896, 23894077), (1064, 20121328), (1216, 17606162), (1262, 16964416), (1993, 10742144), (2128, 10060664), (2432, 8803081), (2524, 8482208), (3986, 5371072), (4256, 5030332), (4417, 4846976), (5048, 4241104), (7972, 2685536), (8512, 2515166), (8834, 2423488), (10096, 2120552), (11989, 1785728), (13951, 1534592), (15944, 1342768), (17024, 1257583), (17668, 1211744), (20192, 1060276), (23978, 892864), (27902, 767296), (31888, 671384), (35336, 605872), (37867, 565376), (40384, 530138), (47956, 446432), (55804, 383648), (63776, 335692), (70672, 302936), (75734, 282688), (80768, 265069), (83923, 255104), (95912, 223216), (111608, 191824), (127552, 167846), (141344, 151468)]