21517650

素因数分解:

$2^1\times 3^5\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1$

素因数の和:68

約数の個数: 288

約数和(自身を含む): 77995008

約数和(自身を除く): 56477358

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 23, 25, 27, 30, 33, 35, 42, 45, 46, 50, 54, 55, 63, 66, 69, 70, 75, 77, 81, 90, 99, 105, 110, 115, 126, 135, 138, 150, 154, 161, 162, 165, 175, 189, 198, 207, 210, 225, 230, 231, 243, 253, 270, 275, 297, 315, 322, 330, 345, 350, 378, 385, 405, 414, 450, 462, 483, 486, 495, 506, 525, 550, 567, 575, 594, 621, 630, 675, 690, 693, 759, 770, 805, 810, 825, 891, 945, 966, 990, 1035, 1050, 1134, 1150, 1155, 1215, 1242, 1265, 1350, 1386, 1449, 1485, 1518, 1575, 1610, 1650, 1701, 1725, 1771, 1782, 1863, 1890, 1925, 2025, 2070, 2079, 2277, 2310, 2415, 2430, 2475, 2530, 2673, 2835, 2898, 2970, 3105, 3150, 3402, 3450, 3465, 3542, 3726, 3795, 3850, 4025, 4050, 4158, 4347, 4455, 4554, 4725, 4830, 4950, 5175, 5313, 5346, 5589, 5670, 5775, 6075, 6210, 6237, 6325, 6831, 6930, 7245, 7425, 7590, 8050, 8505, 8694, 8855, 8910, 9315, 9450, 10350, 10395, 10626, 11178, 11385, 11550, 12075, 12150, 12474, 12650, 13041, 13365, 13662, 14175, 14490, 14850, 15525, 15939, 17010, 17325, 17710, 18630, 18711, 18975, 20493, 20790, 21735, 22275, 22770, 24150, 26082, 26565, 26730, 27945, 28350, 31050, 31185, 31878, 34155, 34650, 36225, 37422, 37950, 39123, 40986, 42525, 43470, 44275, 44550, 46575, 47817, 51975, 53130, 55890, 56925, 61479, 62370, 65205, 66825, 68310, 72450, 78246, 79695, 85050, 88550, 93150, 93555, 95634, 102465, 103950, 108675, 113850, 122958, 130410, 132825, 133650, 139725, 143451, 155925, 159390, 170775, 187110, 195615, 204930, 217350, 239085, 265650, 279450, 286902, 307395, 311850, 326025, 341550, 391230, 398475, 430353, 467775, 478170, 512325, 614790, 652050, 717255, 796950, 860706, 935550, 978075, 1024650, 1195425, 1434510, 1536975, 1956150, 2151765, 2390850, 3073950, 3586275, 4303530, 7172550, 10758825, 21517650]

約数ペア:

[(1, 21517650), (2, 10758825), (3, 7172550), (5, 4303530), (6, 3586275), (7, 3073950), (9, 2390850), (10, 2151765), (11, 1956150), (14, 1536975), (15, 1434510), (18, 1195425), (21, 1024650), (22, 978075), (23, 935550), (25, 860706), (27, 796950), (30, 717255), (33, 652050), (35, 614790), (42, 512325), (45, 478170), (46, 467775), (50, 430353), (54, 398475), (55, 391230), (63, 341550), (66, 326025), (69, 311850), (70, 307395), (75, 286902), (77, 279450), (81, 265650), (90, 239085), (99, 217350), (105, 204930), (110, 195615), (115, 187110), (126, 170775), (135, 159390), (138, 155925), (150, 143451), (154, 139725), (161, 133650), (162, 132825), (165, 130410), (175, 122958), (189, 113850), (198, 108675), (207, 103950), (210, 102465), (225, 95634), (230, 93555), (231, 93150), (243, 88550), (253, 85050), (270, 79695), (275, 78246), (297, 72450), (315, 68310), (322, 66825), (330, 65205), (345, 62370), (350, 61479), (378, 56925), (385, 55890), (405, 53130), (414, 51975), (450, 47817), (462, 46575), (483, 44550), (486, 44275), (495, 43470), (506, 42525), (525, 40986), (550, 39123), (567, 37950), (575, 37422), (594, 36225), (621, 34650), (630, 34155), (675, 31878), (690, 31185), (693, 31050), (759, 28350), (770, 27945), (805, 26730), (810, 26565), (825, 26082), (891, 24150), (945, 22770), (966, 22275), (990, 21735), (1035, 20790), (1050, 20493), (1134, 18975), (1150, 18711), (1155, 18630), (1215, 17710), (1242, 17325), (1265, 17010), (1350, 15939), (1386, 15525), (1449, 14850), (1485, 14490), (1518, 14175), (1575, 13662), (1610, 13365), (1650, 13041), (1701, 12650), (1725, 12474), (1771, 12150), (1782, 12075), (1863, 11550), (1890, 11385), (1925, 11178), (2025, 10626), (2070, 10395), (2079, 10350), (2277, 9450), (2310, 9315), (2415, 8910), (2430, 8855), (2475, 8694), (2530, 8505), (2673, 8050), (2835, 7590), (2898, 7425), (2970, 7245), (3105, 6930), (3150, 6831), (3402, 6325), (3450, 6237), (3465, 6210), (3542, 6075), (3726, 5775), (3795, 5670), (3850, 5589), (4025, 5346), (4050, 5313), (4158, 5175), (4347, 4950), (4455, 4830), (4554, 4725)]