21455453824

素因数分解:

$2^7\times 7^1\times {\mathrm{137}}^1\times {\mathrm{277}}^1\times {\mathrm{631}}^1$

素因数の和:1066

約数の個数: 128

約数和(自身を含む): 49461937920

約数和(自身を除く): 28006484096

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 137, 224, 274, 277, 448, 548, 554, 631, 896, 959, 1096, 1108, 1262, 1918, 1939, 2192, 2216, 2524, 3836, 3878, 4384, 4417, 4432, 5048, 7672, 7756, 8768, 8834, 8864, 10096, 15344, 15512, 17536, 17668, 17728, 20192, 30688, 31024, 35336, 35456, 37949, 40384, 61376, 62048, 70672, 75898, 80768, 86447, 122752, 124096, 141344, 151796, 172894, 174787, 248192, 265643, 282688, 303592, 345788, 349574, 531286, 565376, 605129, 607184, 691576, 699148, 1062572, 1210258, 1214368, 1223509, 1383152, 1398296, 2125144, 2420516, 2428736, 2447018, 2766304, 2796592, 4250288, 4841032, 4857472, 4894036, 5532608, 5593184, 8500576, 9682064, 9788072, 11065216, 11186368, 17001152, 19364128, 19576144, 22372736, 23945819, 34002304, 38728256, 39152288, 47891638, 77456512, 78304576, 95783276, 156609152, 167620733, 191566552, 335241466, 383133104, 670482932, 766266208, 1340965864, 1532532416, 2681931728, 3065064832, 5363863456, 10727726912, 21455453824]

約数ペア:

[(1, 21455453824), (2, 10727726912), (4, 5363863456), (7, 3065064832), (8, 2681931728), (14, 1532532416), (16, 1340965864), (28, 766266208), (32, 670482932), (56, 383133104), (64, 335241466), (112, 191566552), (128, 167620733), (137, 156609152), (224, 95783276), (274, 78304576), (277, 77456512), (448, 47891638), (548, 39152288), (554, 38728256), (631, 34002304), (896, 23945819), (959, 22372736), (1096, 19576144), (1108, 19364128), (1262, 17001152), (1918, 11186368), (1939, 11065216), (2192, 9788072), (2216, 9682064), (2524, 8500576), (3836, 5593184), (3878, 5532608), (4384, 4894036), (4417, 4857472), (4432, 4841032), (5048, 4250288), (7672, 2796592), (7756, 2766304), (8768, 2447018), (8834, 2428736), (8864, 2420516), (10096, 2125144), (15344, 1398296), (15512, 1383152), (17536, 1223509), (17668, 1214368), (17728, 1210258), (20192, 1062572), (30688, 699148), (31024, 691576), (35336, 607184), (35456, 605129), (37949, 565376), (40384, 531286), (61376, 349574), (62048, 345788), (70672, 303592), (75898, 282688), (80768, 265643), (86447, 248192), (122752, 174787), (124096, 172894), (141344, 151796)]