21000773664

素因数分解:

$2^5\times 3^3\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{9491}}^1$

素因数の和:9720

約数の個数: 192

約数和(自身を含む): 66305796480

約数和(自身を除く): 45305022816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 72, 78, 96, 104, 108, 117, 144, 156, 197, 208, 216, 234, 288, 312, 351, 394, 416, 432, 468, 591, 624, 702, 788, 864, 936, 1182, 1248, 1404, 1576, 1773, 1872, 2364, 2561, 2808, 3152, 3546, 3744, 4728, 5122, 5319, 5616, 6304, 7092, 7683, 9456, 9491, 10244, 10638, 11232, 14184, 15366, 18912, 18982, 20488, 21276, 23049, 28368, 28473, 30732, 37964, 40976, 42552, 46098, 56736, 56946, 61464, 69147, 75928, 81952, 85104, 85419, 92196, 113892, 122928, 123383, 138294, 151856, 170208, 170838, 184392, 227784, 245856, 246766, 256257, 276588, 303712, 341676, 368784, 370149, 455568, 493532, 512514, 553176, 683352, 737568, 740298, 911136, 987064, 1025028, 1106352, 1110447, 1366704, 1480596, 1869727, 1974128, 2050056, 2212704, 2220894, 2733408, 2961192, 3331341, 3739454, 3948256, 4100112, 4441788, 5609181, 5922384, 6662682, 7478908, 8200224, 8883576, 11218362, 11844768, 13325364, 14957816, 16827543, 17767152, 22436724, 24306451, 26650728, 29915632, 33655086, 35534304, 44873448, 48612902, 50482629, 53301456, 59831264, 67310172, 72919353, 89746896, 97225804, 100965258, 106602912, 134620344, 145838706, 179493792, 194451608, 201930516, 218758059, 269240688, 291677412, 388903216, 403861032, 437516118, 538481376, 583354824, 656274177, 777806432, 807722064, 875032236, 1166709648, 1312548354, 1615444128, 1750064472, 2333419296, 2625096708, 3500128944, 5250193416, 7000257888, 10500386832, 21000773664]

約数ペア:

[(1, 21000773664), (2, 10500386832), (3, 7000257888), (4, 5250193416), (6, 3500128944), (8, 2625096708), (9, 2333419296), (12, 1750064472), (13, 1615444128), (16, 1312548354), (18, 1166709648), (24, 875032236), (26, 807722064), (27, 777806432), (32, 656274177), (36, 583354824), (39, 538481376), (48, 437516118), (52, 403861032), (54, 388903216), (72, 291677412), (78, 269240688), (96, 218758059), (104, 201930516), (108, 194451608), (117, 179493792), (144, 145838706), (156, 134620344), (197, 106602912), (208, 100965258), (216, 97225804), (234, 89746896), (288, 72919353), (312, 67310172), (351, 59831264), (394, 53301456), (416, 50482629), (432, 48612902), (468, 44873448), (591, 35534304), (624, 33655086), (702, 29915632), (788, 26650728), (864, 24306451), (936, 22436724), (1182, 17767152), (1248, 16827543), (1404, 14957816), (1576, 13325364), (1773, 11844768), (1872, 11218362), (2364, 8883576), (2561, 8200224), (2808, 7478908), (3152, 6662682), (3546, 5922384), (3744, 5609181), (4728, 4441788), (5122, 4100112), (5319, 3948256), (5616, 3739454), (6304, 3331341), (7092, 2961192), (7683, 2733408), (9456, 2220894), (9491, 2212704), (10244, 2050056), (10638, 1974128), (11232, 1869727), (14184, 1480596), (15366, 1366704), (18912, 1110447), (18982, 1106352), (20488, 1025028), (21276, 987064), (23049, 911136), (28368, 740298), (28473, 737568), (30732, 683352), (37964, 553176), (40976, 512514), (42552, 493532), (46098, 455568), (56736, 370149), (56946, 368784), (61464, 341676), (69147, 303712), (75928, 276588), (81952, 256257), (85104, 246766), (85419, 245856), (92196, 227784), (113892, 184392), (122928, 170838), (123383, 170208), (138294, 151856)]