21781534464

素因数分解:

$2^8\times 3^2\times {\mathrm{31}}^1\times {\mathrm{304961}}^1$

素因数の和:305014

約数の個数: 108

約数和(自身を含む): 64827602112

約数和(自身を除く): 43046067648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 64, 72, 93, 96, 124, 128, 144, 186, 192, 248, 256, 279, 288, 372, 384, 496, 558, 576, 744, 768, 992, 1116, 1152, 1488, 1984, 2232, 2304, 2976, 3968, 4464, 5952, 7936, 8928, 11904, 17856, 23808, 35712, 71424, 304961, 609922, 914883, 1219844, 1829766, 2439688, 2744649, 3659532, 4879376, 5489298, 7319064, 9453791, 9758752, 10978596, 14638128, 18907582, 19517504, 21957192, 28361373, 29276256, 37815164, 39035008, 43914384, 56722746, 58552512, 75630328, 78070016, 85084119, 87828768, 113445492, 117105024, 151260656, 170168238, 175657536, 226890984, 234210048, 302521312, 340336476, 351315072, 453781968, 605042624, 680672952, 702630144, 907563936, 1210085248, 1361345904, 1815127872, 2420170496, 2722691808, 3630255744, 5445383616, 7260511488, 10890767232, 21781534464]

約数ペア:

[(1, 21781534464), (2, 10890767232), (3, 7260511488), (4, 5445383616), (6, 3630255744), (8, 2722691808), (9, 2420170496), (12, 1815127872), (16, 1361345904), (18, 1210085248), (24, 907563936), (31, 702630144), (32, 680672952), (36, 605042624), (48, 453781968), (62, 351315072), (64, 340336476), (72, 302521312), (93, 234210048), (96, 226890984), (124, 175657536), (128, 170168238), (144, 151260656), (186, 117105024), (192, 113445492), (248, 87828768), (256, 85084119), (279, 78070016), (288, 75630328), (372, 58552512), (384, 56722746), (496, 43914384), (558, 39035008), (576, 37815164), (744, 29276256), (768, 28361373), (992, 21957192), (1116, 19517504), (1152, 18907582), (1488, 14638128), (1984, 10978596), (2232, 9758752), (2304, 9453791), (2976, 7319064), (3968, 5489298), (4464, 4879376), (5952, 3659532), (7936, 2744649), (8928, 2439688), (11904, 1829766), (17856, 1219844), (23808, 914883), (35712, 609922), (71424, 304961)]