21968760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:142

約数の個数: 192

約数和(自身を含む): 77565600

約数和(自身を除く): 55596840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 17, 20, 22, 24, 30, 33, 34, 40, 44, 51, 55, 60, 66, 68, 85, 88, 89, 102, 110, 120, 121, 132, 136, 165, 170, 178, 187, 204, 220, 242, 255, 264, 267, 330, 340, 356, 363, 374, 408, 440, 445, 484, 510, 534, 561, 605, 660, 680, 712, 726, 748, 890, 935, 968, 979, 1020, 1068, 1122, 1210, 1320, 1335, 1452, 1496, 1513, 1780, 1815, 1870, 1958, 2040, 2057, 2136, 2244, 2420, 2670, 2805, 2904, 2937, 3026, 3560, 3630, 3740, 3916, 4114, 4488, 4539, 4840, 4895, 5340, 5610, 5874, 6052, 6171, 7260, 7480, 7565, 7832, 8228, 9078, 9790, 10285, 10680, 10769, 11220, 11748, 12104, 12342, 14520, 14685, 15130, 16456, 16643, 18156, 19580, 20570, 21538, 22440, 22695, 23496, 24684, 29370, 30260, 30855, 32307, 33286, 36312, 39160, 41140, 43076, 45390, 49368, 49929, 53845, 58740, 60520, 61710, 64614, 66572, 82280, 83215, 86152, 90780, 99858, 107690, 117480, 123420, 129228, 133144, 161535, 166430, 181560, 183073, 199716, 215380, 246840, 249645, 258456, 323070, 332860, 366146, 399432, 430760, 499290, 549219, 646140, 665720, 732292, 915365, 998580, 1098438, 1292280, 1464584, 1830730, 1997160, 2196876, 2746095, 3661460, 4393752, 5492190, 7322920, 10984380, 21968760]

約数ペア:

[(1, 21968760), (2, 10984380), (3, 7322920), (4, 5492190), (5, 4393752), (6, 3661460), (8, 2746095), (10, 2196876), (11, 1997160), (12, 1830730), (15, 1464584), (17, 1292280), (20, 1098438), (22, 998580), (24, 915365), (30, 732292), (33, 665720), (34, 646140), (40, 549219), (44, 499290), (51, 430760), (55, 399432), (60, 366146), (66, 332860), (68, 323070), (85, 258456), (88, 249645), (89, 246840), (102, 215380), (110, 199716), (120, 183073), (121, 181560), (132, 166430), (136, 161535), (165, 133144), (170, 129228), (178, 123420), (187, 117480), (204, 107690), (220, 99858), (242, 90780), (255, 86152), (264, 83215), (267, 82280), (330, 66572), (340, 64614), (356, 61710), (363, 60520), (374, 58740), (408, 53845), (440, 49929), (445, 49368), (484, 45390), (510, 43076), (534, 41140), (561, 39160), (605, 36312), (660, 33286), (680, 32307), (712, 30855), (726, 30260), (748, 29370), (890, 24684), (935, 23496), (968, 22695), (979, 22440), (1020, 21538), (1068, 20570), (1122, 19580), (1210, 18156), (1320, 16643), (1335, 16456), (1452, 15130), (1496, 14685), (1513, 14520), (1780, 12342), (1815, 12104), (1870, 11748), (1958, 11220), (2040, 10769), (2057, 10680), (2136, 10285), (2244, 9790), (2420, 9078), (2670, 8228), (2805, 7832), (2904, 7565), (2937, 7480), (3026, 7260), (3560, 6171), (3630, 6052), (3740, 5874), (3916, 5610), (4114, 5340), (4488, 4895), (4539, 4840)]