21461049840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{859}}^1\times {\mathrm{2539}}^1$

素因数の和:3455

約数の個数: 160

約数和(自身を含む): 68258131200

約数和(自身を除く): 46797081360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 164, 205, 240, 246, 328, 410, 492, 615, 656, 820, 859, 984, 1230, 1640, 1718, 1968, 2460, 2539, 2577, 3280, 3436, 4295, 4920, 5078, 5154, 6872, 7617, 8590, 9840, 10156, 10308, 12695, 12885, 13744, 15234, 17180, 20312, 20616, 25390, 25770, 30468, 34360, 35219, 38085, 40624, 41232, 50780, 51540, 60936, 68720, 70438, 76170, 101560, 103080, 104099, 105657, 121872, 140876, 152340, 176095, 203120, 206160, 208198, 211314, 281752, 304680, 312297, 352190, 416396, 422628, 520495, 528285, 563504, 609360, 624594, 704380, 832792, 845256, 1040990, 1056570, 1249188, 1408760, 1561485, 1665584, 1690512, 2081980, 2113140, 2181001, 2498376, 2817520, 3122970, 4163960, 4226280, 4362002, 4996752, 6245940, 6543003, 8327920, 8452560, 8724004, 10905005, 12491880, 13086006, 17448008, 21810010, 24983760, 26172012, 32715015, 34896016, 43620020, 52344024, 65430030, 87240040, 89421041, 104688048, 130860060, 174480080, 178842082, 261720120, 268263123, 357684164, 447105205, 523440240, 536526246, 715368328, 894210410, 1073052492, 1341315615, 1430736656, 1788420820, 2146104984, 2682631230, 3576841640, 4292209968, 5365262460, 7153683280, 10730524920, 21461049840]

約数ペア:

[(1, 21461049840), (2, 10730524920), (3, 7153683280), (4, 5365262460), (5, 4292209968), (6, 3576841640), (8, 2682631230), (10, 2146104984), (12, 1788420820), (15, 1430736656), (16, 1341315615), (20, 1073052492), (24, 894210410), (30, 715368328), (40, 536526246), (41, 523440240), (48, 447105205), (60, 357684164), (80, 268263123), (82, 261720120), (120, 178842082), (123, 174480080), (164, 130860060), (205, 104688048), (240, 89421041), (246, 87240040), (328, 65430030), (410, 52344024), (492, 43620020), (615, 34896016), (656, 32715015), (820, 26172012), (859, 24983760), (984, 21810010), (1230, 17448008), (1640, 13086006), (1718, 12491880), (1968, 10905005), (2460, 8724004), (2539, 8452560), (2577, 8327920), (3280, 6543003), (3436, 6245940), (4295, 4996752), (4920, 4362002), (5078, 4226280), (5154, 4163960), (6872, 3122970), (7617, 2817520), (8590, 2498376), (9840, 2181001), (10156, 2113140), (10308, 2081980), (12695, 1690512), (12885, 1665584), (13744, 1561485), (15234, 1408760), (17180, 1249188), (20312, 1056570), (20616, 1040990), (25390, 845256), (25770, 832792), (30468, 704380), (34360, 624594), (35219, 609360), (38085, 563504), (40624, 528285), (41232, 520495), (50780, 422628), (51540, 416396), (60936, 352190), (68720, 312297), (70438, 304680), (76170, 281752), (101560, 211314), (103080, 208198), (104099, 206160), (105657, 203120), (121872, 176095), (140876, 152340)]