21926520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1$

素因数の和:155

約数の個数: 288

約数和(自身を含む): 91231920

約数和(自身を除く): 69305400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 49, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 98, 99, 105, 110, 113, 120, 126, 132, 140, 147, 154, 165, 168, 180, 196, 198, 210, 220, 226, 231, 245, 252, 264, 280, 294, 308, 315, 330, 339, 360, 385, 392, 396, 420, 440, 441, 452, 462, 490, 495, 504, 539, 565, 588, 616, 630, 660, 678, 693, 735, 770, 791, 792, 840, 882, 904, 924, 980, 990, 1017, 1078, 1130, 1155, 1176, 1243, 1260, 1320, 1356, 1386, 1470, 1540, 1582, 1617, 1695, 1764, 1848, 1960, 1980, 2034, 2156, 2205, 2260, 2310, 2373, 2486, 2520, 2695, 2712, 2772, 2940, 3080, 3164, 3234, 3390, 3465, 3528, 3729, 3955, 3960, 4068, 4312, 4410, 4520, 4620, 4746, 4851, 4972, 5085, 5390, 5537, 5544, 5880, 6215, 6328, 6468, 6780, 6930, 7119, 7458, 7910, 8085, 8136, 8701, 8820, 9240, 9492, 9702, 9944, 10170, 10780, 11074, 11187, 11865, 12430, 12936, 13560, 13860, 14238, 14916, 15820, 16170, 16611, 17402, 17640, 18645, 18984, 19404, 20340, 21560, 22148, 22374, 23730, 24255, 24860, 26103, 27685, 27720, 28476, 29832, 31640, 32340, 33222, 34804, 35595, 37290, 38808, 40680, 43505, 44296, 44748, 47460, 48510, 49720, 49833, 52206, 55370, 55935, 56952, 60907, 64680, 66444, 69608, 71190, 74580, 78309, 83055, 87010, 89496, 94920, 97020, 99666, 104412, 110740, 111870, 121814, 130515, 132888, 142380, 149160, 156618, 166110, 174020, 182721, 194040, 199332, 208824, 221480, 223740, 243628, 249165, 261030, 284760, 304535, 313236, 332220, 348040, 365442, 391545, 398664, 447480, 487256, 498330, 522060, 548163, 609070, 626472, 664440, 730884, 783090, 913605, 996660, 1044120, 1096326, 1218140, 1461768, 1566180, 1827210, 1993320, 2192652, 2436280, 2740815, 3132360, 3654420, 4385304, 5481630, 7308840, 10963260, 21926520]

約数ペア:

[(1, 21926520), (2, 10963260), (3, 7308840), (4, 5481630), (5, 4385304), (6, 3654420), (7, 3132360), (8, 2740815), (9, 2436280), (10, 2192652), (11, 1993320), (12, 1827210), (14, 1566180), (15, 1461768), (18, 1218140), (20, 1096326), (21, 1044120), (22, 996660), (24, 913605), (28, 783090), (30, 730884), (33, 664440), (35, 626472), (36, 609070), (40, 548163), (42, 522060), (44, 498330), (45, 487256), (49, 447480), (55, 398664), (56, 391545), (60, 365442), (63, 348040), (66, 332220), (70, 313236), (72, 304535), (77, 284760), (84, 261030), (88, 249165), (90, 243628), (98, 223740), (99, 221480), (105, 208824), (110, 199332), (113, 194040), (120, 182721), (126, 174020), (132, 166110), (140, 156618), (147, 149160), (154, 142380), (165, 132888), (168, 130515), (180, 121814), (196, 111870), (198, 110740), (210, 104412), (220, 99666), (226, 97020), (231, 94920), (245, 89496), (252, 87010), (264, 83055), (280, 78309), (294, 74580), (308, 71190), (315, 69608), (330, 66444), (339, 64680), (360, 60907), (385, 56952), (392, 55935), (396, 55370), (420, 52206), (440, 49833), (441, 49720), (452, 48510), (462, 47460), (490, 44748), (495, 44296), (504, 43505), (539, 40680), (565, 38808), (588, 37290), (616, 35595), (630, 34804), (660, 33222), (678, 32340), (693, 31640), (735, 29832), (770, 28476), (791, 27720), (792, 27685), (840, 26103), (882, 24860), (904, 24255), (924, 23730), (980, 22374), (990, 22148), (1017, 21560), (1078, 20340), (1130, 19404), (1155, 18984), (1176, 18645), (1243, 17640), (1260, 17402), (1320, 16611), (1356, 16170), (1386, 15820), (1470, 14916), (1540, 14238), (1582, 13860), (1617, 13560), (1695, 12936), (1764, 12430), (1848, 11865), (1960, 11187), (1980, 11074), (2034, 10780), (2156, 10170), (2205, 9944), (2260, 9702), (2310, 9492), (2373, 9240), (2486, 8820), (2520, 8701), (2695, 8136), (2712, 8085), (2772, 7910), (2940, 7458), (3080, 7119), (3164, 6930), (3234, 6780), (3390, 6468), (3465, 6328), (3528, 6215), (3729, 5880), (3955, 5544), (3960, 5537), (4068, 5390), (4312, 5085), (4410, 4972), (4520, 4851), (4620, 4746)]