21507544520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{5573}}^1$

素因数の和:5788

約数の個数: 192

約数和(自身を含む): 61764379200

約数和(自身を除く): 40256834680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 179, 196, 220, 245, 280, 308, 358, 385, 392, 440, 490, 539, 616, 716, 770, 895, 980, 1078, 1253, 1432, 1540, 1790, 1960, 1969, 2156, 2506, 2695, 3080, 3580, 3938, 4312, 5012, 5390, 5573, 6265, 7160, 7876, 8771, 9845, 10024, 10780, 11146, 12530, 13783, 15752, 17542, 19690, 21560, 22292, 25060, 27566, 27865, 35084, 39011, 39380, 43855, 44584, 50120, 55132, 55730, 61303, 68915, 70168, 78022, 78760, 87710, 96481, 110264, 111460, 122606, 137830, 156044, 175420, 192962, 195055, 222920, 245212, 273077, 275660, 306515, 312088, 350840, 385924, 390110, 429121, 482405, 490424, 546154, 551320, 613030, 771848, 780220, 858242, 964810, 997567, 1092308, 1226060, 1365385, 1560440, 1716484, 1929620, 1995134, 2145605, 2184616, 2452120, 2730770, 3003847, 3432968, 3859240, 3990268, 4291210, 4987835, 5461540, 6007694, 6982969, 7980536, 8582420, 9975670, 10923080, 10973237, 12015388, 13965938, 15019235, 17164840, 19951340, 21946474, 24030776, 27931876, 30038470, 34914845, 39902680, 43892948, 48880783, 54866185, 55863752, 60076940, 69829690, 76812659, 87785896, 97761566, 109732370, 120153880, 139659380, 153625318, 195523132, 219464740, 244403915, 279318760, 307250636, 384063295, 391046264, 438929480, 488807830, 537688613, 614501272, 768126590, 977615660, 1075377226, 1536253180, 1955231320, 2150754452, 2688443065, 3072506360, 4301508904, 5376886130, 10753772260, 21507544520]

約数ペア:

[(1, 21507544520), (2, 10753772260), (4, 5376886130), (5, 4301508904), (7, 3072506360), (8, 2688443065), (10, 2150754452), (11, 1955231320), (14, 1536253180), (20, 1075377226), (22, 977615660), (28, 768126590), (35, 614501272), (40, 537688613), (44, 488807830), (49, 438929480), (55, 391046264), (56, 384063295), (70, 307250636), (77, 279318760), (88, 244403915), (98, 219464740), (110, 195523132), (140, 153625318), (154, 139659380), (179, 120153880), (196, 109732370), (220, 97761566), (245, 87785896), (280, 76812659), (308, 69829690), (358, 60076940), (385, 55863752), (392, 54866185), (440, 48880783), (490, 43892948), (539, 39902680), (616, 34914845), (716, 30038470), (770, 27931876), (895, 24030776), (980, 21946474), (1078, 19951340), (1253, 17164840), (1432, 15019235), (1540, 13965938), (1790, 12015388), (1960, 10973237), (1969, 10923080), (2156, 9975670), (2506, 8582420), (2695, 7980536), (3080, 6982969), (3580, 6007694), (3938, 5461540), (4312, 4987835), (5012, 4291210), (5390, 3990268), (5573, 3859240), (6265, 3432968), (7160, 3003847), (7876, 2730770), (8771, 2452120), (9845, 2184616), (10024, 2145605), (10780, 1995134), (11146, 1929620), (12530, 1716484), (13783, 1560440), (15752, 1365385), (17542, 1226060), (19690, 1092308), (21560, 997567), (22292, 964810), (25060, 858242), (27566, 780220), (27865, 771848), (35084, 613030), (39011, 551320), (39380, 546154), (43855, 490424), (44584, 482405), (50120, 429121), (55132, 390110), (55730, 385924), (61303, 350840), (68915, 312088), (70168, 306515), (78022, 275660), (78760, 273077), (87710, 245212), (96481, 222920), (110264, 195055), (111460, 192962), (122606, 175420), (137830, 156044)]