21491493480

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{383}}^1$

素因数の和:683

約数の個数: 384

約数和(自身を含む): 76082872320

約数和(自身を除く): 54591378840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 81, 90, 92, 108, 115, 120, 135, 138, 162, 180, 184, 207, 216, 230, 243, 251, 270, 276, 324, 345, 360, 383, 405, 414, 460, 486, 502, 540, 552, 621, 648, 690, 753, 766, 810, 828, 920, 972, 1004, 1035, 1080, 1149, 1215, 1242, 1255, 1380, 1506, 1532, 1620, 1656, 1863, 1915, 1944, 2008, 2070, 2259, 2298, 2430, 2484, 2510, 2760, 3012, 3064, 3105, 3240, 3447, 3726, 3765, 3830, 4140, 4518, 4596, 4860, 4968, 5020, 5589, 5745, 5773, 6024, 6210, 6777, 6894, 7452, 7530, 7660, 8280, 8809, 9036, 9192, 9315, 9720, 10040, 10341, 11178, 11295, 11490, 11546, 12420, 13554, 13788, 14904, 15060, 15320, 17235, 17319, 17618, 18072, 18630, 20331, 20682, 22356, 22590, 22980, 23092, 24840, 26427, 27108, 27576, 27945, 28865, 30120, 31023, 33885, 34470, 34638, 35236, 37260, 40662, 41364, 44045, 44712, 45180, 45960, 46184, 51705, 51957, 52854, 54216, 55890, 57730, 60993, 62046, 67770, 68940, 69276, 70472, 74520, 79281, 81324, 82728, 86595, 88090, 90360, 93069, 96133, 101655, 103410, 103914, 105708, 111780, 115460, 121986, 124092, 132135, 135540, 137880, 138552, 155115, 155871, 158562, 162648, 173190, 176180, 186138, 192266, 203310, 206820, 207828, 211416, 223560, 230920, 237843, 243972, 248184, 259785, 264270, 271080, 288399, 304965, 310230, 311742, 317124, 346380, 352360, 372276, 384532, 396405, 406620, 413640, 415656, 465345, 467613, 475686, 480665, 487944, 519570, 528540, 576798, 609930, 620460, 623484, 634248, 692760, 713529, 744552, 769064, 779355, 792810, 813240, 865197, 930690, 935226, 951372, 961330, 1039140, 1057080, 1153596, 1189215, 1219860, 1240920, 1246968, 1402839, 1427058, 1441995, 1558710, 1585620, 1730394, 1861380, 1870452, 1902744, 1922660, 2078280, 2140587, 2211059, 2307192, 2338065, 2378430, 2439720, 2595591, 2805678, 2854116, 2883990, 3117420, 3171240, 3460788, 3567645, 3722760, 3740904, 3845320, 4281174, 4325985, 4422118, 4676130, 4756860, 5191182, 5611356, 5708232, 5767980, 6234840, 6633177, 6921576, 7014195, 7135290, 7786773, 8562348, 8651970, 8844236, 9352260, 9513720, 10382364, 10702935, 11055295, 11222712, 11535960, 12977955, 13266354, 14028390, 14270580, 15573546, 17124696, 17303940, 17688472, 18704520, 19899531, 20764728, 21405870, 22110590, 23360319, 25955910, 26532708, 28056780, 28541160, 31147092, 33165885, 34607880, 38933865, 39799062, 42811740, 44221180, 46720638, 51911820, 53065416, 56113560, 59698593, 62294184, 66331770, 77867730, 79598124, 85623480, 88442360, 93441276, 99497655, 103823640, 116801595, 119397186, 132663540, 155735460, 159196248, 179095779, 186882552, 198995310, 233603190, 238794372, 265327080, 298492965, 311470920, 358191558, 397990620, 467206380, 477588744, 537287337, 596985930, 716383116, 795981240, 895478895, 934412760, 1074574674, 1193971860, 1432766232, 1790957790, 2149149348, 2387943720, 2686436685, 3581915580, 4298298696, 5372873370, 7163831160, 10745746740, 21491493480]

約数ペア:

[(1, 21491493480), (2, 10745746740), (3, 7163831160), (4, 5372873370), (5, 4298298696), (6, 3581915580), (8, 2686436685), (9, 2387943720), (10, 2149149348), (12, 1790957790), (15, 1432766232), (18, 1193971860), (20, 1074574674), (23, 934412760), (24, 895478895), (27, 795981240), (30, 716383116), (36, 596985930), (40, 537287337), (45, 477588744), (46, 467206380), (54, 397990620), (60, 358191558), (69, 311470920), (72, 298492965), (81, 265327080), (90, 238794372), (92, 233603190), (108, 198995310), (115, 186882552), (120, 179095779), (135, 159196248), (138, 155735460), (162, 132663540), (180, 119397186), (184, 116801595), (207, 103823640), (216, 99497655), (230, 93441276), (243, 88442360), (251, 85623480), (270, 79598124), (276, 77867730), (324, 66331770), (345, 62294184), (360, 59698593), (383, 56113560), (405, 53065416), (414, 51911820), (460, 46720638), (486, 44221180), (502, 42811740), (540, 39799062), (552, 38933865), (621, 34607880), (648, 33165885), (690, 31147092), (753, 28541160), (766, 28056780), (810, 26532708), (828, 25955910), (920, 23360319), (972, 22110590), (1004, 21405870), (1035, 20764728), (1080, 19899531), (1149, 18704520), (1215, 17688472), (1242, 17303940), (1255, 17124696), (1380, 15573546), (1506, 14270580), (1532, 14028390), (1620, 13266354), (1656, 12977955), (1863, 11535960), (1915, 11222712), (1944, 11055295), (2008, 10702935), (2070, 10382364), (2259, 9513720), (2298, 9352260), (2430, 8844236), (2484, 8651970), (2510, 8562348), (2760, 7786773), (3012, 7135290), (3064, 7014195), (3105, 6921576), (3240, 6633177), (3447, 6234840), (3726, 5767980), (3765, 5708232), (3830, 5611356), (4140, 5191182), (4518, 4756860), (4596, 4676130), (4860, 4422118), (4968, 4325985), (5020, 4281174), (5589, 3845320), (5745, 3740904), (5773, 3722760), (6024, 3567645), (6210, 3460788), (6777, 3171240), (6894, 3117420), (7452, 2883990), (7530, 2854116), (7660, 2805678), (8280, 2595591), (8809, 2439720), (9036, 2378430), (9192, 2338065), (9315, 2307192), (9720, 2211059), (10040, 2140587), (10341, 2078280), (11178, 1922660), (11295, 1902744), (11490, 1870452), (11546, 1861380), (12420, 1730394), (13554, 1585620), (13788, 1558710), (14904, 1441995), (15060, 1427058), (15320, 1402839), (17235, 1246968), (17319, 1240920), (17618, 1219860), (18072, 1189215), (18630, 1153596), (20331, 1057080), (20682, 1039140), (22356, 961330), (22590, 951372), (22980, 935226), (23092, 930690), (24840, 865197), (26427, 813240), (27108, 792810), (27576, 779355), (27945, 769064), (28865, 744552), (30120, 713529), (31023, 692760), (33885, 634248), (34470, 623484), (34638, 620460), (35236, 609930), (37260, 576798), (40662, 528540), (41364, 519570), (44045, 487944), (44712, 480665), (45180, 475686), (45960, 467613), (46184, 465345), (51705, 415656), (51957, 413640), (52854, 406620), (54216, 396405), (55890, 384532), (57730, 372276), (60993, 352360), (62046, 346380), (67770, 317124), (68940, 311742), (69276, 310230), (70472, 304965), (74520, 288399), (79281, 271080), (81324, 264270), (82728, 259785), (86595, 248184), (88090, 243972), (90360, 237843), (93069, 230920), (96133, 223560), (101655, 211416), (103410, 207828), (103914, 206820), (105708, 203310), (111780, 192266), (115460, 186138), (121986, 176180), (124092, 173190), (132135, 162648), (135540, 158562), (137880, 155871), (138552, 155115)]