21000927288

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{479}}^1\times {\mathrm{9769}}^1$

素因数の和:10285

約数の個数: 128

約数和(自身を含む): 60777216000

約数和(自身を除く): 39776288712

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 33, 34, 44, 51, 66, 68, 88, 102, 132, 136, 187, 204, 264, 374, 408, 479, 561, 748, 958, 1122, 1437, 1496, 1916, 2244, 2874, 3832, 4488, 5269, 5748, 8143, 9769, 10538, 11496, 15807, 16286, 19538, 21076, 24429, 29307, 31614, 32572, 39076, 42152, 48858, 58614, 63228, 65144, 78152, 89573, 97716, 107459, 117228, 126456, 166073, 179146, 195432, 214918, 234456, 268719, 322377, 332146, 358292, 429836, 498219, 537438, 644754, 664292, 716584, 859672, 996438, 1074876, 1289508, 1328584, 1826803, 1992876, 2149752, 2579016, 3653606, 3985752, 4679351, 5480409, 7307212, 9358702, 10960818, 14038053, 14614424, 18717404, 21921636, 28076106, 37434808, 43843272, 51472861, 56152212, 79548967, 102945722, 112304424, 154418583, 159097934, 205891444, 238646901, 308837166, 318195868, 411782888, 477293802, 617674332, 636391736, 875038637, 954587604, 1235348664, 1750077274, 1909175208, 2625115911, 3500154548, 5250231822, 7000309096, 10500463644, 21000927288]

約数ペア:

[(1, 21000927288), (2, 10500463644), (3, 7000309096), (4, 5250231822), (6, 3500154548), (8, 2625115911), (11, 1909175208), (12, 1750077274), (17, 1235348664), (22, 954587604), (24, 875038637), (33, 636391736), (34, 617674332), (44, 477293802), (51, 411782888), (66, 318195868), (68, 308837166), (88, 238646901), (102, 205891444), (132, 159097934), (136, 154418583), (187, 112304424), (204, 102945722), (264, 79548967), (374, 56152212), (408, 51472861), (479, 43843272), (561, 37434808), (748, 28076106), (958, 21921636), (1122, 18717404), (1437, 14614424), (1496, 14038053), (1916, 10960818), (2244, 9358702), (2874, 7307212), (3832, 5480409), (4488, 4679351), (5269, 3985752), (5748, 3653606), (8143, 2579016), (9769, 2149752), (10538, 1992876), (11496, 1826803), (15807, 1328584), (16286, 1289508), (19538, 1074876), (21076, 996438), (24429, 859672), (29307, 716584), (31614, 664292), (32572, 644754), (39076, 537438), (42152, 498219), (48858, 429836), (58614, 358292), (63228, 332146), (65144, 322377), (78152, 268719), (89573, 234456), (97716, 214918), (107459, 195432), (117228, 179146), (126456, 166073)]