21128890608

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{47}}^2\times {\mathrm{3163}}^1$

素因数の和:3281

約数の個数: 240

約数和(自身を含む): 70840188160

約数和(自身を除く): 49711297552

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 47, 48, 54, 56, 63, 72, 84, 94, 108, 112, 126, 141, 144, 168, 188, 189, 216, 252, 282, 329, 336, 376, 378, 423, 432, 504, 564, 658, 752, 756, 846, 987, 1008, 1128, 1269, 1316, 1512, 1692, 1974, 2209, 2256, 2538, 2632, 2961, 3024, 3163, 3384, 3948, 4418, 5076, 5264, 5922, 6326, 6627, 6768, 7896, 8836, 8883, 9489, 10152, 11844, 12652, 13254, 15463, 15792, 17672, 17766, 18978, 19881, 20304, 22141, 23688, 25304, 26508, 28467, 30926, 35344, 35532, 37956, 39762, 44282, 46389, 47376, 50608, 53016, 56934, 59643, 61852, 66423, 71064, 75912, 79524, 85401, 88564, 92778, 106032, 113868, 119286, 123704, 132846, 139167, 142128, 148661, 151824, 159048, 170802, 177128, 185556, 199269, 227736, 238572, 247408, 265692, 278334, 297322, 318096, 341604, 354256, 371112, 398538, 417501, 445983, 455472, 477144, 531384, 556668, 594644, 597807, 683208, 742224, 797076, 835002, 891966, 954288, 1040627, 1062768, 1113336, 1189288, 1195614, 1337949, 1366416, 1594152, 1670004, 1783932, 2081254, 2226672, 2378576, 2391228, 2675898, 3121881, 3188304, 3340008, 3567864, 4013847, 4162508, 4782456, 5351796, 6243762, 6680016, 6987067, 7135728, 8027694, 8325016, 9365643, 9564912, 10703592, 12487524, 13974134, 16055388, 16650032, 18731286, 20961201, 21407184, 24975048, 27948268, 28096929, 32110776, 37462572, 41922402, 48909469, 49950096, 55896536, 56193858, 62883603, 64221552, 74925144, 83844804, 97818938, 111793072, 112387716, 125767206, 146728407, 149850288, 167689608, 188650809, 195637876, 224775432, 251534412, 293456814, 335379216, 377301618, 391275752, 440185221, 449550864, 503068824, 586913628, 754603236, 782551504, 880370442, 1006137648, 1173827256, 1320555663, 1509206472, 1760740884, 2347654512, 2641111326, 3018412944, 3521481768, 5282222652, 7042963536, 10564445304, 21128890608]

約数ペア:

[(1, 21128890608), (2, 10564445304), (3, 7042963536), (4, 5282222652), (6, 3521481768), (7, 3018412944), (8, 2641111326), (9, 2347654512), (12, 1760740884), (14, 1509206472), (16, 1320555663), (18, 1173827256), (21, 1006137648), (24, 880370442), (27, 782551504), (28, 754603236), (36, 586913628), (42, 503068824), (47, 449550864), (48, 440185221), (54, 391275752), (56, 377301618), (63, 335379216), (72, 293456814), (84, 251534412), (94, 224775432), (108, 195637876), (112, 188650809), (126, 167689608), (141, 149850288), (144, 146728407), (168, 125767206), (188, 112387716), (189, 111793072), (216, 97818938), (252, 83844804), (282, 74925144), (329, 64221552), (336, 62883603), (376, 56193858), (378, 55896536), (423, 49950096), (432, 48909469), (504, 41922402), (564, 37462572), (658, 32110776), (752, 28096929), (756, 27948268), (846, 24975048), (987, 21407184), (1008, 20961201), (1128, 18731286), (1269, 16650032), (1316, 16055388), (1512, 13974134), (1692, 12487524), (1974, 10703592), (2209, 9564912), (2256, 9365643), (2538, 8325016), (2632, 8027694), (2961, 7135728), (3024, 6987067), (3163, 6680016), (3384, 6243762), (3948, 5351796), (4418, 4782456), (5076, 4162508), (5264, 4013847), (5922, 3567864), (6326, 3340008), (6627, 3188304), (6768, 3121881), (7896, 2675898), (8836, 2391228), (8883, 2378576), (9489, 2226672), (10152, 2081254), (11844, 1783932), (12652, 1670004), (13254, 1594152), (15463, 1366416), (15792, 1337949), (17672, 1195614), (17766, 1189288), (18978, 1113336), (19881, 1062768), (20304, 1040627), (22141, 954288), (23688, 891966), (25304, 835002), (26508, 797076), (28467, 742224), (30926, 683208), (35344, 597807), (35532, 594644), (37956, 556668), (39762, 531384), (44282, 477144), (46389, 455472), (47376, 445983), (50608, 417501), (53016, 398538), (56934, 371112), (59643, 354256), (61852, 341604), (66423, 318096), (71064, 297322), (75912, 278334), (79524, 265692), (85401, 247408), (88564, 238572), (92778, 227736), (106032, 199269), (113868, 185556), (119286, 177128), (123704, 170802), (132846, 159048), (139167, 151824), (142128, 148661)]