21987608832

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{887}}^1$

素因数の和:998

約数の個数: 432

約数和(自身を含む): 76450832640

約数和(自身を除く): 54463223808

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 29, 32, 36, 42, 48, 53, 56, 58, 63, 64, 72, 84, 87, 96, 106, 112, 116, 126, 128, 144, 159, 168, 174, 192, 203, 212, 224, 232, 252, 256, 261, 288, 318, 336, 348, 371, 384, 406, 424, 448, 464, 477, 504, 522, 576, 609, 636, 672, 696, 742, 768, 812, 848, 887, 896, 928, 954, 1008, 1044, 1113, 1152, 1218, 1272, 1344, 1392, 1484, 1537, 1624, 1696, 1774, 1792, 1827, 1856, 1908, 2016, 2088, 2226, 2304, 2436, 2544, 2661, 2688, 2784, 2968, 3074, 3248, 3339, 3392, 3548, 3654, 3712, 3816, 4032, 4176, 4452, 4611, 4872, 5088, 5322, 5376, 5568, 5936, 6148, 6209, 6496, 6678, 6784, 7096, 7308, 7424, 7632, 7983, 8064, 8352, 8904, 9222, 9744, 10176, 10644, 10759, 11136, 11872, 12296, 12418, 12992, 13356, 13568, 13833, 14192, 14616, 15264, 15966, 16128, 16704, 17808, 18444, 18627, 19488, 20352, 21288, 21518, 22272, 23744, 24592, 24836, 25723, 25984, 26712, 27666, 28384, 29232, 30528, 31932, 32277, 33408, 35616, 36888, 37254, 38976, 40704, 42576, 43036, 47011, 47488, 49184, 49672, 51446, 51968, 53424, 55332, 55881, 56768, 58464, 61056, 63864, 64554, 66816, 71232, 73776, 74508, 77169, 77952, 85152, 86072, 94022, 94976, 96831, 98368, 99344, 102892, 106848, 110664, 111762, 113536, 116928, 122112, 127728, 129108, 141033, 142464, 147552, 149016, 154338, 155904, 170304, 172144, 180061, 188044, 193662, 196736, 198688, 205784, 213696, 221328, 223524, 227072, 231507, 233856, 255456, 258216, 282066, 284928, 295104, 298032, 308676, 329077, 340608, 344288, 360122, 376088, 387324, 393472, 397376, 411568, 423099, 427392, 442656, 447048, 463014, 467712, 510912, 516432, 540183, 564132, 590208, 596064, 617352, 658154, 681216, 688576, 720244, 752176, 774648, 794752, 823136, 846198, 854784, 885312, 894096, 926028, 987231, 1021824, 1032864, 1080366, 1128264, 1180416, 1192128, 1234704, 1316308, 1363319, 1377152, 1440488, 1504352, 1549296, 1589504, 1620549, 1646272, 1692396, 1770624, 1788192, 1852056, 1974462, 2043648, 2065728, 2160732, 2256528, 2384256, 2469408, 2632616, 2726638, 2754304, 2880976, 2961693, 3008704, 3098592, 3241098, 3292544, 3384792, 3541248, 3576384, 3704112, 3948924, 4089957, 4131456, 4321464, 4513056, 4768512, 4938816, 5265232, 5453276, 5761952, 5923386, 6017408, 6197184, 6482196, 6585088, 6769584, 7152768, 7408224, 7897848, 8179914, 8262912, 8642928, 9026112, 9543233, 9877632, 10530464, 10906552, 11523904, 11846772, 12034816, 12269871, 12394368, 12964392, 13539168, 14305536, 14816448, 15795696, 16359828, 17285856, 18052224, 19086466, 19755264, 21060928, 21813104, 23047808, 23693544, 24539742, 24788736, 25928784, 27078336, 28629699, 29632896, 31591392, 32719656, 34571712, 36104448, 38172932, 42121856, 43626208, 46095616, 47387088, 49079484, 51857568, 54156672, 57259398, 59265792, 63182784, 65439312, 69143424, 76345864, 84243712, 85889097, 87252416, 94774176, 98158968, 103715136, 108313344, 114518796, 126365568, 130878624, 138286848, 152691728, 171778194, 174504832, 189548352, 196317936, 207430272, 229037592, 252731136, 261757248, 305383456, 343556388, 349009664, 379096704, 392635872, 414860544, 458075184, 523514496, 610766912, 687112776, 758193408, 785271744, 916150368, 1047028992, 1221533824, 1374225552, 1570543488, 1832300736, 2443067648, 2748451104, 3141086976, 3664601472, 5496902208, 7329202944, 10993804416, 21987608832]

約数ペア:

[(1, 21987608832), (2, 10993804416), (3, 7329202944), (4, 5496902208), (6, 3664601472), (7, 3141086976), (8, 2748451104), (9, 2443067648), (12, 1832300736), (14, 1570543488), (16, 1374225552), (18, 1221533824), (21, 1047028992), (24, 916150368), (28, 785271744), (29, 758193408), (32, 687112776), (36, 610766912), (42, 523514496), (48, 458075184), (53, 414860544), (56, 392635872), (58, 379096704), (63, 349009664), (64, 343556388), (72, 305383456), (84, 261757248), (87, 252731136), (96, 229037592), (106, 207430272), (112, 196317936), (116, 189548352), (126, 174504832), (128, 171778194), (144, 152691728), (159, 138286848), (168, 130878624), (174, 126365568), (192, 114518796), (203, 108313344), (212, 103715136), (224, 98158968), (232, 94774176), (252, 87252416), (256, 85889097), (261, 84243712), (288, 76345864), (318, 69143424), (336, 65439312), (348, 63182784), (371, 59265792), (384, 57259398), (406, 54156672), (424, 51857568), (448, 49079484), (464, 47387088), (477, 46095616), (504, 43626208), (522, 42121856), (576, 38172932), (609, 36104448), (636, 34571712), (672, 32719656), (696, 31591392), (742, 29632896), (768, 28629699), (812, 27078336), (848, 25928784), (887, 24788736), (896, 24539742), (928, 23693544), (954, 23047808), (1008, 21813104), (1044, 21060928), (1113, 19755264), (1152, 19086466), (1218, 18052224), (1272, 17285856), (1344, 16359828), (1392, 15795696), (1484, 14816448), (1537, 14305536), (1624, 13539168), (1696, 12964392), (1774, 12394368), (1792, 12269871), (1827, 12034816), (1856, 11846772), (1908, 11523904), (2016, 10906552), (2088, 10530464), (2226, 9877632), (2304, 9543233), (2436, 9026112), (2544, 8642928), (2661, 8262912), (2688, 8179914), (2784, 7897848), (2968, 7408224), (3074, 7152768), (3248, 6769584), (3339, 6585088), (3392, 6482196), (3548, 6197184), (3654, 6017408), (3712, 5923386), (3816, 5761952), (4032, 5453276), (4176, 5265232), (4452, 4938816), (4611, 4768512), (4872, 4513056), (5088, 4321464), (5322, 4131456), (5376, 4089957), (5568, 3948924), (5936, 3704112), (6148, 3576384), (6209, 3541248), (6496, 3384792), (6678, 3292544), (6784, 3241098), (7096, 3098592), (7308, 3008704), (7424, 2961693), (7632, 2880976), (7983, 2754304), (8064, 2726638), (8352, 2632616), (8904, 2469408), (9222, 2384256), (9744, 2256528), (10176, 2160732), (10644, 2065728), (10759, 2043648), (11136, 1974462), (11872, 1852056), (12296, 1788192), (12418, 1770624), (12992, 1692396), (13356, 1646272), (13568, 1620549), (13833, 1589504), (14192, 1549296), (14616, 1504352), (15264, 1440488), (15966, 1377152), (16128, 1363319), (16704, 1316308), (17808, 1234704), (18444, 1192128), (18627, 1180416), (19488, 1128264), (20352, 1080366), (21288, 1032864), (21518, 1021824), (22272, 987231), (23744, 926028), (24592, 894096), (24836, 885312), (25723, 854784), (25984, 846198), (26712, 823136), (27666, 794752), (28384, 774648), (29232, 752176), (30528, 720244), (31932, 688576), (32277, 681216), (33408, 658154), (35616, 617352), (36888, 596064), (37254, 590208), (38976, 564132), (40704, 540183), (42576, 516432), (43036, 510912), (47011, 467712), (47488, 463014), (49184, 447048), (49672, 442656), (51446, 427392), (51968, 423099), (53424, 411568), (55332, 397376), (55881, 393472), (56768, 387324), (58464, 376088), (61056, 360122), (63864, 344288), (64554, 340608), (66816, 329077), (71232, 308676), (73776, 298032), (74508, 295104), (77169, 284928), (77952, 282066), (85152, 258216), (86072, 255456), (94022, 233856), (94976, 231507), (96831, 227072), (98368, 223524), (99344, 221328), (102892, 213696), (106848, 205784), (110664, 198688), (111762, 196736), (113536, 193662), (116928, 188044), (122112, 180061), (127728, 172144), (129108, 170304), (141033, 155904), (142464, 154338), (147552, 149016)]