21797160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{337}}^1$

素因数の和:376

約数の個数: 192

約数和(自身を含む): 83229120

約数和(自身を除く): 61431960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 49, 55, 56, 60, 66, 70, 77, 84, 88, 98, 105, 110, 120, 132, 140, 147, 154, 165, 168, 196, 210, 220, 231, 245, 264, 280, 294, 308, 330, 337, 385, 392, 420, 440, 462, 490, 539, 588, 616, 660, 674, 735, 770, 840, 924, 980, 1011, 1078, 1155, 1176, 1320, 1348, 1470, 1540, 1617, 1685, 1848, 1960, 2022, 2156, 2310, 2359, 2695, 2696, 2940, 3080, 3234, 3370, 3707, 4044, 4312, 4620, 4718, 5055, 5390, 5880, 6468, 6740, 7077, 7414, 8085, 8088, 9240, 9436, 10110, 10780, 11121, 11795, 12936, 13480, 14154, 14828, 16170, 16513, 18535, 18872, 20220, 21560, 22242, 23590, 25949, 28308, 29656, 32340, 33026, 35385, 37070, 40440, 44484, 47180, 49539, 51898, 55605, 56616, 64680, 66052, 70770, 74140, 77847, 82565, 88968, 94360, 99078, 103796, 111210, 129745, 132104, 141540, 148280, 155694, 165130, 181643, 198156, 207592, 222420, 247695, 259490, 283080, 311388, 330260, 363286, 389235, 396312, 444840, 495390, 518980, 544929, 622776, 660520, 726572, 778470, 908215, 990780, 1037960, 1089858, 1453144, 1556940, 1816430, 1981560, 2179716, 2724645, 3113880, 3632860, 4359432, 5449290, 7265720, 10898580, 21797160]

約数ペア:

[(1, 21797160), (2, 10898580), (3, 7265720), (4, 5449290), (5, 4359432), (6, 3632860), (7, 3113880), (8, 2724645), (10, 2179716), (11, 1981560), (12, 1816430), (14, 1556940), (15, 1453144), (20, 1089858), (21, 1037960), (22, 990780), (24, 908215), (28, 778470), (30, 726572), (33, 660520), (35, 622776), (40, 544929), (42, 518980), (44, 495390), (49, 444840), (55, 396312), (56, 389235), (60, 363286), (66, 330260), (70, 311388), (77, 283080), (84, 259490), (88, 247695), (98, 222420), (105, 207592), (110, 198156), (120, 181643), (132, 165130), (140, 155694), (147, 148280), (154, 141540), (165, 132104), (168, 129745), (196, 111210), (210, 103796), (220, 99078), (231, 94360), (245, 88968), (264, 82565), (280, 77847), (294, 74140), (308, 70770), (330, 66052), (337, 64680), (385, 56616), (392, 55605), (420, 51898), (440, 49539), (462, 47180), (490, 44484), (539, 40440), (588, 37070), (616, 35385), (660, 33026), (674, 32340), (735, 29656), (770, 28308), (840, 25949), (924, 23590), (980, 22242), (1011, 21560), (1078, 20220), (1155, 18872), (1176, 18535), (1320, 16513), (1348, 16170), (1470, 14828), (1540, 14154), (1617, 13480), (1685, 12936), (1848, 11795), (1960, 11121), (2022, 10780), (2156, 10110), (2310, 9436), (2359, 9240), (2695, 8088), (2696, 8085), (2940, 7414), (3080, 7077), (3234, 6740), (3370, 6468), (3707, 5880), (4044, 5390), (4312, 5055), (4620, 4718)]