21136320

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:243

約数の個数: 168

約数和(自身を含む): 74889360

約数和(自身を除く): 53753040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 41, 45, 48, 60, 64, 72, 80, 82, 90, 96, 120, 123, 144, 160, 164, 179, 180, 192, 205, 240, 246, 288, 320, 328, 358, 360, 369, 410, 480, 492, 537, 576, 615, 656, 716, 720, 738, 820, 895, 960, 984, 1074, 1230, 1312, 1432, 1440, 1476, 1611, 1640, 1790, 1845, 1968, 2148, 2460, 2624, 2685, 2864, 2880, 2952, 3222, 3280, 3580, 3690, 3936, 4296, 4920, 5370, 5728, 5904, 6444, 6560, 7160, 7339, 7380, 7872, 8055, 8592, 9840, 10740, 11456, 11808, 12888, 13120, 14320, 14678, 14760, 16110, 17184, 19680, 21480, 22017, 23616, 25776, 28640, 29356, 29520, 32220, 34368, 36695, 39360, 42960, 44034, 51552, 57280, 58712, 59040, 64440, 66051, 73390, 85920, 88068, 103104, 110085, 117424, 118080, 128880, 132102, 146780, 171840, 176136, 220170, 234848, 257760, 264204, 293560, 330255, 352272, 440340, 469696, 515520, 528408, 587120, 660510, 704544, 880680, 1056816, 1174240, 1321020, 1409088, 1761360, 2113632, 2348480, 2642040, 3522720, 4227264, 5284080, 7045440, 10568160, 21136320]

約数ペア:

[(1, 21136320), (2, 10568160), (3, 7045440), (4, 5284080), (5, 4227264), (6, 3522720), (8, 2642040), (9, 2348480), (10, 2113632), (12, 1761360), (15, 1409088), (16, 1321020), (18, 1174240), (20, 1056816), (24, 880680), (30, 704544), (32, 660510), (36, 587120), (40, 528408), (41, 515520), (45, 469696), (48, 440340), (60, 352272), (64, 330255), (72, 293560), (80, 264204), (82, 257760), (90, 234848), (96, 220170), (120, 176136), (123, 171840), (144, 146780), (160, 132102), (164, 128880), (179, 118080), (180, 117424), (192, 110085), (205, 103104), (240, 88068), (246, 85920), (288, 73390), (320, 66051), (328, 64440), (358, 59040), (360, 58712), (369, 57280), (410, 51552), (480, 44034), (492, 42960), (537, 39360), (576, 36695), (615, 34368), (656, 32220), (716, 29520), (720, 29356), (738, 28640), (820, 25776), (895, 23616), (960, 22017), (984, 21480), (1074, 19680), (1230, 17184), (1312, 16110), (1432, 14760), (1440, 14678), (1476, 14320), (1611, 13120), (1640, 12888), (1790, 11808), (1845, 11456), (1968, 10740), (2148, 9840), (2460, 8592), (2624, 8055), (2685, 7872), (2864, 7380), (2880, 7339), (2952, 7160), (3222, 6560), (3280, 6444), (3580, 5904), (3690, 5728), (3936, 5370), (4296, 4920)]