21867840

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{2531}}^1$

素因数の和:2557

約数の個数: 112

約数和(自身を含む): 77175360

約数和(自身を除く): 55307520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2531, 2880, 4320, 5062, 7593, 8640, 10124, 12655, 15186, 20248, 22779, 25310, 30372, 37965, 40496, 45558, 50620, 60744, 68337, 75930, 80992, 91116, 101240, 113895, 121488, 136674, 151860, 161984, 182232, 202480, 227790, 242976, 273348, 303720, 341685, 364464, 404960, 455580, 485952, 546696, 607440, 683370, 728928, 809920, 911160, 1093392, 1214880, 1366740, 1457856, 1822320, 2186784, 2429760, 2733480, 3644640, 4373568, 5466960, 7289280, 10933920, 21867840]

約数ペア:

[(1, 21867840), (2, 10933920), (3, 7289280), (4, 5466960), (5, 4373568), (6, 3644640), (8, 2733480), (9, 2429760), (10, 2186784), (12, 1822320), (15, 1457856), (16, 1366740), (18, 1214880), (20, 1093392), (24, 911160), (27, 809920), (30, 728928), (32, 683370), (36, 607440), (40, 546696), (45, 485952), (48, 455580), (54, 404960), (60, 364464), (64, 341685), (72, 303720), (80, 273348), (90, 242976), (96, 227790), (108, 202480), (120, 182232), (135, 161984), (144, 151860), (160, 136674), (180, 121488), (192, 113895), (216, 101240), (240, 91116), (270, 80992), (288, 75930), (320, 68337), (360, 60744), (432, 50620), (480, 45558), (540, 40496), (576, 37965), (720, 30372), (864, 25310), (960, 22779), (1080, 20248), (1440, 15186), (1728, 12655), (2160, 10124), (2531, 8640), (2880, 7593), (4320, 5062)]