21424320

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:239

約数の個数: 168

約数和(自身を含む): 75840336

約数和(自身を除く): 54416016

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 64, 72, 80, 86, 90, 96, 120, 129, 144, 160, 172, 173, 180, 192, 215, 240, 258, 288, 320, 344, 346, 360, 387, 430, 480, 516, 519, 576, 645, 688, 692, 720, 774, 860, 865, 960, 1032, 1038, 1290, 1376, 1384, 1440, 1548, 1557, 1720, 1730, 1935, 2064, 2076, 2580, 2595, 2752, 2768, 2880, 3096, 3114, 3440, 3460, 3870, 4128, 4152, 5160, 5190, 5536, 6192, 6228, 6880, 6920, 7439, 7740, 7785, 8256, 8304, 10320, 10380, 11072, 12384, 12456, 13760, 13840, 14878, 15480, 15570, 16608, 20640, 20760, 22317, 24768, 24912, 27680, 29756, 30960, 31140, 33216, 37195, 41280, 41520, 44634, 49824, 55360, 59512, 61920, 62280, 66951, 74390, 83040, 89268, 99648, 111585, 119024, 123840, 124560, 133902, 148780, 166080, 178536, 223170, 238048, 249120, 267804, 297560, 334755, 357072, 446340, 476096, 498240, 535608, 595120, 669510, 714144, 892680, 1071216, 1190240, 1339020, 1428288, 1785360, 2142432, 2380480, 2678040, 3570720, 4284864, 5356080, 7141440, 10712160, 21424320]

約数ペア:

[(1, 21424320), (2, 10712160), (3, 7141440), (4, 5356080), (5, 4284864), (6, 3570720), (8, 2678040), (9, 2380480), (10, 2142432), (12, 1785360), (15, 1428288), (16, 1339020), (18, 1190240), (20, 1071216), (24, 892680), (30, 714144), (32, 669510), (36, 595120), (40, 535608), (43, 498240), (45, 476096), (48, 446340), (60, 357072), (64, 334755), (72, 297560), (80, 267804), (86, 249120), (90, 238048), (96, 223170), (120, 178536), (129, 166080), (144, 148780), (160, 133902), (172, 124560), (173, 123840), (180, 119024), (192, 111585), (215, 99648), (240, 89268), (258, 83040), (288, 74390), (320, 66951), (344, 62280), (346, 61920), (360, 59512), (387, 55360), (430, 49824), (480, 44634), (516, 41520), (519, 41280), (576, 37195), (645, 33216), (688, 31140), (692, 30960), (720, 29756), (774, 27680), (860, 24912), (865, 24768), (960, 22317), (1032, 20760), (1038, 20640), (1290, 16608), (1376, 15570), (1384, 15480), (1440, 14878), (1548, 13840), (1557, 13760), (1720, 12456), (1730, 12384), (1935, 11072), (2064, 10380), (2076, 10320), (2580, 8304), (2595, 8256), (2752, 7785), (2768, 7740), (2880, 7439), (3096, 6920), (3114, 6880), (3440, 6228), (3460, 6192), (3870, 5536), (4128, 5190), (4152, 5160)]