21667800

素因数分解:

$2^3\times 3^1\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1$

素因数の和:111

約数の個数: 288

約数和(自身を含む): 86512320

約数和(自身を除く): 64844520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 25, 28, 30, 33, 35, 40, 42, 44, 49, 50, 55, 56, 60, 66, 67, 70, 75, 77, 84, 88, 98, 100, 105, 110, 120, 132, 134, 140, 147, 150, 154, 165, 168, 175, 196, 200, 201, 210, 220, 231, 245, 264, 268, 275, 280, 294, 300, 308, 330, 335, 350, 385, 392, 402, 420, 440, 462, 469, 490, 525, 536, 539, 550, 588, 600, 616, 660, 670, 700, 735, 737, 770, 804, 825, 840, 924, 938, 980, 1005, 1050, 1078, 1100, 1155, 1176, 1225, 1320, 1340, 1400, 1407, 1470, 1474, 1540, 1608, 1617, 1650, 1675, 1848, 1876, 1925, 1960, 2010, 2100, 2156, 2200, 2211, 2310, 2345, 2450, 2680, 2695, 2814, 2940, 2948, 3080, 3234, 3283, 3300, 3350, 3675, 3685, 3752, 3850, 4020, 4200, 4312, 4422, 4620, 4690, 4900, 5025, 5159, 5390, 5628, 5775, 5880, 5896, 6468, 6566, 6600, 6700, 7035, 7350, 7370, 7700, 8040, 8085, 8844, 9240, 9380, 9800, 9849, 10050, 10318, 10780, 11055, 11256, 11550, 11725, 12936, 13132, 13400, 13475, 14070, 14700, 14740, 15400, 15477, 16170, 16415, 17688, 18425, 18760, 19698, 20100, 20636, 21560, 22110, 23100, 23450, 25795, 26264, 26950, 28140, 29400, 29480, 30954, 32340, 32830, 35175, 36113, 36850, 39396, 40200, 40425, 41272, 44220, 46200, 46900, 49245, 51590, 53900, 55275, 56280, 61908, 64680, 65660, 70350, 72226, 73700, 77385, 78792, 80850, 82075, 88440, 93800, 98490, 103180, 107800, 108339, 110550, 123816, 128975, 131320, 140700, 144452, 147400, 154770, 161700, 164150, 180565, 196980, 206360, 216678, 221100, 246225, 257950, 281400, 288904, 309540, 323400, 328300, 361130, 386925, 393960, 433356, 442200, 492450, 515900, 541695, 619080, 656600, 722260, 773850, 866712, 902825, 984900, 1031800, 1083390, 1444520, 1547700, 1805650, 1969800, 2166780, 2708475, 3095400, 3611300, 4333560, 5416950, 7222600, 10833900, 21667800]

約数ペア:

[(1, 21667800), (2, 10833900), (3, 7222600), (4, 5416950), (5, 4333560), (6, 3611300), (7, 3095400), (8, 2708475), (10, 2166780), (11, 1969800), (12, 1805650), (14, 1547700), (15, 1444520), (20, 1083390), (21, 1031800), (22, 984900), (24, 902825), (25, 866712), (28, 773850), (30, 722260), (33, 656600), (35, 619080), (40, 541695), (42, 515900), (44, 492450), (49, 442200), (50, 433356), (55, 393960), (56, 386925), (60, 361130), (66, 328300), (67, 323400), (70, 309540), (75, 288904), (77, 281400), (84, 257950), (88, 246225), (98, 221100), (100, 216678), (105, 206360), (110, 196980), (120, 180565), (132, 164150), (134, 161700), (140, 154770), (147, 147400), (150, 144452), (154, 140700), (165, 131320), (168, 128975), (175, 123816), (196, 110550), (200, 108339), (201, 107800), (210, 103180), (220, 98490), (231, 93800), (245, 88440), (264, 82075), (268, 80850), (275, 78792), (280, 77385), (294, 73700), (300, 72226), (308, 70350), (330, 65660), (335, 64680), (350, 61908), (385, 56280), (392, 55275), (402, 53900), (420, 51590), (440, 49245), (462, 46900), (469, 46200), (490, 44220), (525, 41272), (536, 40425), (539, 40200), (550, 39396), (588, 36850), (600, 36113), (616, 35175), (660, 32830), (670, 32340), (700, 30954), (735, 29480), (737, 29400), (770, 28140), (804, 26950), (825, 26264), (840, 25795), (924, 23450), (938, 23100), (980, 22110), (1005, 21560), (1050, 20636), (1078, 20100), (1100, 19698), (1155, 18760), (1176, 18425), (1225, 17688), (1320, 16415), (1340, 16170), (1400, 15477), (1407, 15400), (1470, 14740), (1474, 14700), (1540, 14070), (1608, 13475), (1617, 13400), (1650, 13132), (1675, 12936), (1848, 11725), (1876, 11550), (1925, 11256), (1960, 11055), (2010, 10780), (2100, 10318), (2156, 10050), (2200, 9849), (2211, 9800), (2310, 9380), (2345, 9240), (2450, 8844), (2680, 8085), (2695, 8040), (2814, 7700), (2940, 7370), (2948, 7350), (3080, 7035), (3234, 6700), (3283, 6600), (3300, 6566), (3350, 6468), (3675, 5896), (3685, 5880), (3752, 5775), (3850, 5628), (4020, 5390), (4200, 5159), (4312, 5025), (4422, 4900), (4620, 4690)]