21756240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:138

約数の個数: 240

約数和(自身を含む): 82869696

約数和(自身を除く): 61113456

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 41, 44, 45, 48, 55, 60, 66, 67, 72, 80, 82, 88, 90, 99, 110, 120, 123, 132, 134, 144, 164, 165, 176, 180, 198, 201, 205, 220, 240, 246, 264, 268, 328, 330, 335, 360, 369, 396, 402, 410, 440, 451, 492, 495, 528, 536, 603, 615, 656, 660, 670, 720, 737, 738, 792, 804, 820, 880, 902, 984, 990, 1005, 1072, 1206, 1230, 1320, 1340, 1353, 1474, 1476, 1584, 1608, 1640, 1804, 1845, 1968, 1980, 2010, 2211, 2255, 2412, 2460, 2640, 2680, 2706, 2747, 2948, 2952, 3015, 3216, 3280, 3608, 3685, 3690, 3960, 4020, 4059, 4422, 4510, 4824, 4920, 5360, 5412, 5494, 5896, 5904, 6030, 6633, 6765, 7216, 7370, 7380, 7920, 8040, 8118, 8241, 8844, 9020, 9648, 9840, 10824, 10988, 11055, 11792, 12060, 13266, 13530, 13735, 14740, 14760, 16080, 16236, 16482, 17688, 18040, 20295, 21648, 21976, 22110, 24120, 24723, 26532, 27060, 27470, 29480, 29520, 30217, 32472, 32964, 33165, 35376, 36080, 40590, 41205, 43952, 44220, 48240, 49446, 53064, 54120, 54940, 58960, 60434, 64944, 65928, 66330, 81180, 82410, 88440, 90651, 98892, 106128, 108240, 109880, 120868, 123615, 131856, 132660, 151085, 162360, 164820, 176880, 181302, 197784, 219760, 241736, 247230, 265320, 271953, 302170, 324720, 329640, 362604, 395568, 453255, 483472, 494460, 530640, 543906, 604340, 659280, 725208, 906510, 988920, 1087812, 1208680, 1359765, 1450416, 1813020, 1977840, 2175624, 2417360, 2719530, 3626040, 4351248, 5439060, 7252080, 10878120, 21756240]

約数ペア:

[(1, 21756240), (2, 10878120), (3, 7252080), (4, 5439060), (5, 4351248), (6, 3626040), (8, 2719530), (9, 2417360), (10, 2175624), (11, 1977840), (12, 1813020), (15, 1450416), (16, 1359765), (18, 1208680), (20, 1087812), (22, 988920), (24, 906510), (30, 725208), (33, 659280), (36, 604340), (40, 543906), (41, 530640), (44, 494460), (45, 483472), (48, 453255), (55, 395568), (60, 362604), (66, 329640), (67, 324720), (72, 302170), (80, 271953), (82, 265320), (88, 247230), (90, 241736), (99, 219760), (110, 197784), (120, 181302), (123, 176880), (132, 164820), (134, 162360), (144, 151085), (164, 132660), (165, 131856), (176, 123615), (180, 120868), (198, 109880), (201, 108240), (205, 106128), (220, 98892), (240, 90651), (246, 88440), (264, 82410), (268, 81180), (328, 66330), (330, 65928), (335, 64944), (360, 60434), (369, 58960), (396, 54940), (402, 54120), (410, 53064), (440, 49446), (451, 48240), (492, 44220), (495, 43952), (528, 41205), (536, 40590), (603, 36080), (615, 35376), (656, 33165), (660, 32964), (670, 32472), (720, 30217), (737, 29520), (738, 29480), (792, 27470), (804, 27060), (820, 26532), (880, 24723), (902, 24120), (984, 22110), (990, 21976), (1005, 21648), (1072, 20295), (1206, 18040), (1230, 17688), (1320, 16482), (1340, 16236), (1353, 16080), (1474, 14760), (1476, 14740), (1584, 13735), (1608, 13530), (1640, 13266), (1804, 12060), (1845, 11792), (1968, 11055), (1980, 10988), (2010, 10824), (2211, 9840), (2255, 9648), (2412, 9020), (2460, 8844), (2640, 8241), (2680, 8118), (2706, 8040), (2747, 7920), (2948, 7380), (2952, 7370), (3015, 7216), (3216, 6765), (3280, 6633), (3608, 6030), (3685, 5904), (3690, 5896), (3960, 5494), (4020, 5412), (4059, 5360), (4422, 4920), (4510, 4824)]