21279281688

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{2389}}^1$

素因数の和:2591

約数の個数: 256

約数和(自身を含む): 69657984000

約数和(自身を除く): 48378702312

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 43, 54, 56, 63, 72, 84, 86, 108, 126, 129, 137, 168, 172, 189, 216, 252, 258, 274, 301, 344, 378, 387, 411, 504, 516, 548, 602, 756, 774, 822, 903, 959, 1032, 1096, 1161, 1204, 1233, 1512, 1548, 1644, 1806, 1918, 2322, 2389, 2408, 2466, 2709, 2877, 3096, 3288, 3612, 3699, 3836, 4644, 4778, 4932, 5418, 5754, 5891, 7167, 7224, 7398, 7672, 8127, 8631, 9288, 9556, 9864, 10836, 11508, 11782, 14334, 14796, 16254, 16723, 17262, 17673, 19112, 21501, 21672, 23016, 23564, 25893, 28668, 29592, 32508, 33446, 34524, 35346, 41237, 43002, 47128, 50169, 51786, 53019, 57336, 64503, 65016, 66892, 69048, 70692, 82474, 86004, 100338, 102727, 103572, 106038, 123711, 129006, 133784, 141384, 150507, 159057, 164948, 172008, 200676, 205454, 207144, 212076, 247422, 258012, 301014, 308181, 318114, 327293, 329896, 371133, 401352, 410908, 424152, 451521, 494844, 516024, 602028, 616362, 636228, 654586, 719089, 742266, 821816, 903042, 924543, 981879, 989688, 1113399, 1204056, 1232724, 1272456, 1309172, 1438178, 1484532, 1806084, 1849086, 1963758, 2157267, 2226798, 2291051, 2465448, 2618344, 2773629, 2876356, 2945637, 2969064, 3612168, 3698172, 3927516, 4314534, 4453596, 4582102, 5547258, 5752712, 5891274, 6471801, 6873153, 7396344, 7855032, 8629068, 8836911, 8907192, 9164204, 11094516, 11782548, 12943602, 13746306, 14073599, 17258136, 17673822, 18328408, 19415403, 20619459, 22189032, 23565096, 25887204, 27492612, 28147198, 35347644, 38830806, 41238918, 42220797, 51774408, 54985224, 56294396, 61858377, 70695288, 77661612, 82477836, 84441594, 98515193, 112588792, 123716754, 126662391, 155323224, 164955672, 168883188, 197030386, 247433508, 253324782, 295545579, 337766376, 379987173, 394060772, 494867016, 506649564, 591091158, 759974346, 788121544, 886636737, 1013299128, 1182182316, 1519948692, 1773273474, 2364364632, 2659910211, 3039897384, 3546546948, 5319820422, 7093093896, 10639640844, 21279281688]

約数ペア:

[(1, 21279281688), (2, 10639640844), (3, 7093093896), (4, 5319820422), (6, 3546546948), (7, 3039897384), (8, 2659910211), (9, 2364364632), (12, 1773273474), (14, 1519948692), (18, 1182182316), (21, 1013299128), (24, 886636737), (27, 788121544), (28, 759974346), (36, 591091158), (42, 506649564), (43, 494867016), (54, 394060772), (56, 379987173), (63, 337766376), (72, 295545579), (84, 253324782), (86, 247433508), (108, 197030386), (126, 168883188), (129, 164955672), (137, 155323224), (168, 126662391), (172, 123716754), (189, 112588792), (216, 98515193), (252, 84441594), (258, 82477836), (274, 77661612), (301, 70695288), (344, 61858377), (378, 56294396), (387, 54985224), (411, 51774408), (504, 42220797), (516, 41238918), (548, 38830806), (602, 35347644), (756, 28147198), (774, 27492612), (822, 25887204), (903, 23565096), (959, 22189032), (1032, 20619459), (1096, 19415403), (1161, 18328408), (1204, 17673822), (1233, 17258136), (1512, 14073599), (1548, 13746306), (1644, 12943602), (1806, 11782548), (1918, 11094516), (2322, 9164204), (2389, 8907192), (2408, 8836911), (2466, 8629068), (2709, 7855032), (2877, 7396344), (3096, 6873153), (3288, 6471801), (3612, 5891274), (3699, 5752712), (3836, 5547258), (4644, 4582102), (4778, 4453596), (4932, 4314534), (5418, 3927516), (5754, 3698172), (5891, 3612168), (7167, 2969064), (7224, 2945637), (7398, 2876356), (7672, 2773629), (8127, 2618344), (8631, 2465448), (9288, 2291051), (9556, 2226798), (9864, 2157267), (10836, 1963758), (11508, 1849086), (11782, 1806084), (14334, 1484532), (14796, 1438178), (16254, 1309172), (16723, 1272456), (17262, 1232724), (17673, 1204056), (19112, 1113399), (21501, 989688), (21672, 981879), (23016, 924543), (23564, 903042), (25893, 821816), (28668, 742266), (29592, 719089), (32508, 654586), (33446, 636228), (34524, 616362), (35346, 602028), (41237, 516024), (43002, 494844), (47128, 451521), (50169, 424152), (51786, 410908), (53019, 401352), (57336, 371133), (64503, 329896), (65016, 327293), (66892, 318114), (69048, 308181), (70692, 301014), (82474, 258012), (86004, 247422), (100338, 212076), (102727, 207144), (103572, 205454), (106038, 200676), (123711, 172008), (129006, 164948), (133784, 159057), (141384, 150507)]