21326629552

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{701}}^1\times {\mathrm{739}}^1$

素因数の和:1562

約数の個数: 80

約数和(自身を含む): 43287229440

約数和(自身を除く): 21960599888

約数列:

[1, 2, 4, 8, 16, 31, 62, 83, 124, 166, 248, 332, 496, 664, 701, 739, 1328, 1402, 1478, 2573, 2804, 2956, 5146, 5608, 5912, 10292, 11216, 11824, 20584, 21731, 22909, 41168, 43462, 45818, 58183, 61337, 86924, 91636, 116366, 122674, 173848, 183272, 232732, 245348, 347696, 366544, 465464, 490696, 518039, 930928, 981392, 1036078, 1803673, 1901447, 2072156, 3607346, 3802894, 4144312, 7214692, 7605788, 8288624, 14429384, 15211576, 16059209, 28858768, 30423152, 32118418, 42997237, 64236836, 85994474, 128473672, 171988948, 256947344, 343977896, 687955792, 1332914347, 2665828694, 5331657388, 10663314776, 21326629552]

約数ペア:

[(1, 21326629552), (2, 10663314776), (4, 5331657388), (8, 2665828694), (16, 1332914347), (31, 687955792), (62, 343977896), (83, 256947344), (124, 171988948), (166, 128473672), (248, 85994474), (332, 64236836), (496, 42997237), (664, 32118418), (701, 30423152), (739, 28858768), (1328, 16059209), (1402, 15211576), (1478, 14429384), (2573, 8288624), (2804, 7605788), (2956, 7214692), (5146, 4144312), (5608, 3802894), (5912, 3607346), (10292, 2072156), (11216, 1901447), (11824, 1803673), (20584, 1036078), (21731, 981392), (22909, 930928), (41168, 518039), (43462, 490696), (45818, 465464), (58183, 366544), (61337, 347696), (86924, 245348), (91636, 232732), (116366, 183272), (122674, 173848)]