21050087760

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{8423}}^1$

素因数の和:8547

約数の個数: 320

約数和(自身を含む): 78969945600

約数和(自身を除く): 57919857840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 89, 90, 104, 108, 117, 120, 130, 135, 144, 156, 178, 180, 195, 208, 216, 234, 240, 260, 267, 270, 312, 351, 356, 360, 390, 432, 445, 468, 520, 534, 540, 585, 624, 702, 712, 720, 780, 801, 890, 936, 1040, 1068, 1080, 1157, 1170, 1335, 1404, 1424, 1560, 1602, 1755, 1780, 1872, 2136, 2160, 2314, 2340, 2403, 2670, 2808, 3120, 3204, 3471, 3510, 3560, 4005, 4272, 4628, 4680, 4806, 5340, 5616, 5785, 6408, 6942, 7020, 7120, 8010, 8423, 9256, 9360, 9612, 10413, 10680, 11570, 12015, 12816, 13884, 14040, 16020, 16846, 17355, 18512, 19224, 20826, 21360, 23140, 24030, 25269, 27768, 28080, 31239, 32040, 33692, 34710, 38448, 41652, 42115, 46280, 48060, 50538, 52065, 55536, 62478, 64080, 67384, 69420, 75807, 83304, 84230, 92560, 96120, 101076, 104130, 109499, 124956, 126345, 134768, 138840, 151614, 156195, 166608, 168460, 192240, 202152, 208260, 218998, 227421, 249912, 252690, 277680, 303228, 312390, 328497, 336920, 379035, 404304, 416520, 437996, 454842, 499824, 505380, 547495, 606456, 624780, 656994, 673840, 749647, 758070, 833040, 875992, 909684, 985491, 1010760, 1094990, 1137105, 1212912, 1249560, 1313988, 1499294, 1516140, 1642485, 1751984, 1819368, 1970982, 2021520, 2189980, 2248941, 2274210, 2499120, 2627976, 2956473, 2998588, 3032280, 3284970, 3638736, 3748235, 3941964, 4379960, 4497882, 4548420, 4927455, 5255952, 5912946, 5997176, 6064560, 6569940, 6746823, 7496470, 7883928, 8759920, 8995764, 9096840, 9745411, 9854910, 11244705, 11825892, 11994352, 13139880, 13493646, 14782365, 14992940, 15767856, 17991528, 18193680, 19490822, 19709820, 20240469, 22489410, 23651784, 26279760, 26987292, 29236233, 29564730, 29985880, 33734115, 35983056, 38981644, 39419640, 40480938, 44978820, 47303568, 48727055, 53974584, 58472466, 59129460, 59971760, 67468230, 77963288, 78839280, 80961876, 87708699, 89957640, 97454110, 101202345, 107949168, 116944932, 118258920, 134936460, 146181165, 155926576, 161923752, 175417398, 179915280, 194908220, 202404690, 233889864, 236517840, 263126097, 269872920, 292362330, 323847504, 350834796, 389816440, 404809380, 438543495, 467779728, 526252194, 539745840, 584724660, 701669592, 779632880, 809618760, 877086990, 1052504388, 1169449320, 1315630485, 1403339184, 1619237520, 1754173980, 2105008776, 2338898640, 2631260970, 3508347960, 4210017552, 5262521940, 7016695920, 10525043880, 21050087760]

約数ペア:

[(1, 21050087760), (2, 10525043880), (3, 7016695920), (4, 5262521940), (5, 4210017552), (6, 3508347960), (8, 2631260970), (9, 2338898640), (10, 2105008776), (12, 1754173980), (13, 1619237520), (15, 1403339184), (16, 1315630485), (18, 1169449320), (20, 1052504388), (24, 877086990), (26, 809618760), (27, 779632880), (30, 701669592), (36, 584724660), (39, 539745840), (40, 526252194), (45, 467779728), (48, 438543495), (52, 404809380), (54, 389816440), (60, 350834796), (65, 323847504), (72, 292362330), (78, 269872920), (80, 263126097), (89, 236517840), (90, 233889864), (104, 202404690), (108, 194908220), (117, 179915280), (120, 175417398), (130, 161923752), (135, 155926576), (144, 146181165), (156, 134936460), (178, 118258920), (180, 116944932), (195, 107949168), (208, 101202345), (216, 97454110), (234, 89957640), (240, 87708699), (260, 80961876), (267, 78839280), (270, 77963288), (312, 67468230), (351, 59971760), (356, 59129460), (360, 58472466), (390, 53974584), (432, 48727055), (445, 47303568), (468, 44978820), (520, 40480938), (534, 39419640), (540, 38981644), (585, 35983056), (624, 33734115), (702, 29985880), (712, 29564730), (720, 29236233), (780, 26987292), (801, 26279760), (890, 23651784), (936, 22489410), (1040, 20240469), (1068, 19709820), (1080, 19490822), (1157, 18193680), (1170, 17991528), (1335, 15767856), (1404, 14992940), (1424, 14782365), (1560, 13493646), (1602, 13139880), (1755, 11994352), (1780, 11825892), (1872, 11244705), (2136, 9854910), (2160, 9745411), (2314, 9096840), (2340, 8995764), (2403, 8759920), (2670, 7883928), (2808, 7496470), (3120, 6746823), (3204, 6569940), (3471, 6064560), (3510, 5997176), (3560, 5912946), (4005, 5255952), (4272, 4927455), (4628, 4548420), (4680, 4497882), (4806, 4379960), (5340, 3941964), (5616, 3748235), (5785, 3638736), (6408, 3284970), (6942, 3032280), (7020, 2998588), (7120, 2956473), (8010, 2627976), (8423, 2499120), (9256, 2274210), (9360, 2248941), (9612, 2189980), (10413, 2021520), (10680, 1970982), (11570, 1819368), (12015, 1751984), (12816, 1642485), (13884, 1516140), (14040, 1499294), (16020, 1313988), (16846, 1249560), (17355, 1212912), (18512, 1137105), (19224, 1094990), (20826, 1010760), (21360, 985491), (23140, 909684), (24030, 875992), (25269, 833040), (27768, 758070), (28080, 749647), (31239, 673840), (32040, 656994), (33692, 624780), (34710, 606456), (38448, 547495), (41652, 505380), (42115, 499824), (46280, 454842), (48060, 437996), (50538, 416520), (52065, 404304), (55536, 379035), (62478, 336920), (64080, 328497), (67384, 312390), (69420, 303228), (75807, 277680), (83304, 252690), (84230, 249912), (92560, 227421), (96120, 218998), (101076, 208260), (104130, 202152), (109499, 192240), (124956, 168460), (126345, 166608), (134768, 156195), (138840, 151614)]