21850560

素因数分解:

$2^6\times 3^5\times 5^1\times {\mathrm{281}}^1$

素因数の和:313

約数の個数: 168

約数和(自身を含む): 78217776

約数和(自身を除く): 56367216

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, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 243, 270, 281, 288, 320, 324, 360, 405, 432, 480, 486, 540, 562, 576, 648, 720, 810, 843, 864, 960, 972, 1080, 1124, 1215, 1296, 1405, 1440, 1620, 1686, 1728, 1944, 2160, 2248, 2430, 2529, 2592, 2810, 2880, 3240, 3372, 3888, 4215, 4320, 4496, 4860, 5058, 5184, 5620, 6480, 6744, 7587, 7776, 8430, 8640, 8992, 9720, 10116, 11240, 12645, 12960, 13488, 15174, 15552, 16860, 17984, 19440, 20232, 22480, 22761, 25290, 25920, 26976, 30348, 33720, 37935, 38880, 40464, 44960, 45522, 50580, 53952, 60696, 67440, 68283, 75870, 77760, 80928, 89920, 91044, 101160, 113805, 121392, 134880, 136566, 151740, 161856, 182088, 202320, 227610, 242784, 269760, 273132, 303480, 341415, 364176, 404640, 455220, 485568, 546264, 606960, 682830, 728352, 809280, 910440, 1092528, 1213920, 1365660, 1456704, 1820880, 2185056, 2427840, 2731320, 3641760, 4370112, 5462640, 7283520, 10925280, 21850560]

約数ペア:

[(1, 21850560), (2, 10925280), (3, 7283520), (4, 5462640), (5, 4370112), (6, 3641760), (8, 2731320), (9, 2427840), (10, 2185056), (12, 1820880), (15, 1456704), (16, 1365660), (18, 1213920), (20, 1092528), (24, 910440), (27, 809280), (30, 728352), (32, 682830), (36, 606960), (40, 546264), (45, 485568), (48, 455220), (54, 404640), (60, 364176), (64, 341415), (72, 303480), (80, 273132), (81, 269760), (90, 242784), (96, 227610), (108, 202320), (120, 182088), (135, 161856), (144, 151740), (160, 136566), (162, 134880), (180, 121392), (192, 113805), (216, 101160), (240, 91044), (243, 89920), (270, 80928), (281, 77760), (288, 75870), (320, 68283), (324, 67440), (360, 60696), (405, 53952), (432, 50580), (480, 45522), (486, 44960), (540, 40464), (562, 38880), (576, 37935), (648, 33720), (720, 30348), (810, 26976), (843, 25920), (864, 25290), (960, 22761), (972, 22480), (1080, 20232), (1124, 19440), (1215, 17984), (1296, 16860), (1405, 15552), (1440, 15174), (1620, 13488), (1686, 12960), (1728, 12645), (1944, 11240), (2160, 10116), (2248, 9720), (2430, 8992), (2529, 8640), (2592, 8430), (2810, 7776), (2880, 7587), (3240, 6744), (3372, 6480), (3888, 5620), (4215, 5184), (4320, 5058), (4496, 4860)]