21855960

素因数分解:

$2^3\times 3^3\times 5^1\times 7^3\times {\mathrm{59}}^1$

素因数の和:100

約数の個数: 256

約数和(自身を含む): 86400000

約数和(自身を除く): 64544040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 59, 60, 63, 70, 72, 84, 90, 98, 105, 108, 118, 120, 126, 135, 140, 147, 168, 177, 180, 189, 196, 210, 216, 236, 245, 252, 270, 280, 294, 295, 315, 343, 354, 360, 378, 392, 413, 420, 441, 472, 490, 504, 531, 540, 588, 590, 630, 686, 708, 735, 756, 826, 840, 882, 885, 945, 980, 1029, 1062, 1080, 1176, 1180, 1239, 1260, 1323, 1372, 1416, 1470, 1512, 1593, 1652, 1715, 1764, 1770, 1890, 1960, 2058, 2065, 2124, 2205, 2360, 2478, 2520, 2646, 2655, 2744, 2891, 2940, 3087, 3186, 3304, 3430, 3528, 3540, 3717, 3780, 4116, 4130, 4248, 4410, 4956, 5145, 5292, 5310, 5782, 5880, 6174, 6195, 6372, 6615, 6860, 7080, 7434, 7560, 7965, 8232, 8260, 8673, 8820, 9261, 9912, 10290, 10584, 10620, 11151, 11564, 12348, 12390, 12744, 13230, 13720, 14455, 14868, 15435, 15930, 16520, 17346, 17640, 18522, 18585, 20237, 20580, 21240, 22302, 23128, 24696, 24780, 26019, 26460, 28910, 29736, 30870, 31860, 34692, 37044, 37170, 40474, 41160, 43365, 44604, 46305, 49560, 52038, 52920, 55755, 57820, 60711, 61740, 63720, 69384, 74088, 74340, 78057, 80948, 86730, 89208, 92610, 101185, 104076, 111510, 115640, 121422, 123480, 130095, 148680, 156114, 161896, 173460, 182133, 185220, 202370, 208152, 223020, 242844, 260190, 303555, 312228, 346920, 364266, 370440, 390285, 404740, 446040, 485688, 520380, 546399, 607110, 624456, 728532, 780570, 809480, 910665, 1040760, 1092798, 1214220, 1457064, 1561140, 1821330, 2185596, 2428440, 2731995, 3122280, 3642660, 4371192, 5463990, 7285320, 10927980, 21855960]

約数ペア:

[(1, 21855960), (2, 10927980), (3, 7285320), (4, 5463990), (5, 4371192), (6, 3642660), (7, 3122280), (8, 2731995), (9, 2428440), (10, 2185596), (12, 1821330), (14, 1561140), (15, 1457064), (18, 1214220), (20, 1092798), (21, 1040760), (24, 910665), (27, 809480), (28, 780570), (30, 728532), (35, 624456), (36, 607110), (40, 546399), (42, 520380), (45, 485688), (49, 446040), (54, 404740), (56, 390285), (59, 370440), (60, 364266), (63, 346920), (70, 312228), (72, 303555), (84, 260190), (90, 242844), (98, 223020), (105, 208152), (108, 202370), (118, 185220), (120, 182133), (126, 173460), (135, 161896), (140, 156114), (147, 148680), (168, 130095), (177, 123480), (180, 121422), (189, 115640), (196, 111510), (210, 104076), (216, 101185), (236, 92610), (245, 89208), (252, 86730), (270, 80948), (280, 78057), (294, 74340), (295, 74088), (315, 69384), (343, 63720), (354, 61740), (360, 60711), (378, 57820), (392, 55755), (413, 52920), (420, 52038), (441, 49560), (472, 46305), (490, 44604), (504, 43365), (531, 41160), (540, 40474), (588, 37170), (590, 37044), (630, 34692), (686, 31860), (708, 30870), (735, 29736), (756, 28910), (826, 26460), (840, 26019), (882, 24780), (885, 24696), (945, 23128), (980, 22302), (1029, 21240), (1062, 20580), (1080, 20237), (1176, 18585), (1180, 18522), (1239, 17640), (1260, 17346), (1323, 16520), (1372, 15930), (1416, 15435), (1470, 14868), (1512, 14455), (1593, 13720), (1652, 13230), (1715, 12744), (1764, 12390), (1770, 12348), (1890, 11564), (1960, 11151), (2058, 10620), (2065, 10584), (2124, 10290), (2205, 9912), (2360, 9261), (2478, 8820), (2520, 8673), (2646, 8260), (2655, 8232), (2744, 7965), (2891, 7560), (2940, 7434), (3087, 7080), (3186, 6860), (3304, 6615), (3430, 6372), (3528, 6195), (3540, 6174), (3717, 5880), (3780, 5782), (4116, 5310), (4130, 5292), (4248, 5145), (4410, 4956)]