21576676320

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{1664867}}^1$

素因数の和:1664894

約数の個数: 120

約数和(自身を含む): 76147732584

約数和(自身を除く): 54571056264

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, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6480, 12960, 1664867, 3329734, 4994601, 6659468, 8324335, 9989202, 13318936, 14983803, 16648670, 19978404, 24973005, 26637872, 29967606, 33297340, 39956808, 44951409, 49946010, 53275744, 59935212, 66594680, 74919015, 79913616, 89902818, 99892020, 119870424, 133189360, 134854227, 149838030, 159827232, 179805636, 199784040, 224757045, 239740848, 266378720, 269708454, 299676060, 359611272, 399568080, 449514090, 479481696, 539416908, 599352120, 674271135, 719222544, 799136160, 899028180, 1078833816, 1198704240, 1348542270, 1438445088, 1798056360, 2157667632, 2397408480, 2697084540, 3596112720, 4315335264, 5394169080, 7192225440, 10788338160, 21576676320]

約数ペア:

[(1, 21576676320), (2, 10788338160), (3, 7192225440), (4, 5394169080), (5, 4315335264), (6, 3596112720), (8, 2697084540), (9, 2397408480), (10, 2157667632), (12, 1798056360), (15, 1438445088), (16, 1348542270), (18, 1198704240), (20, 1078833816), (24, 899028180), (27, 799136160), (30, 719222544), (32, 674271135), (36, 599352120), (40, 539416908), (45, 479481696), (48, 449514090), (54, 399568080), (60, 359611272), (72, 299676060), (80, 269708454), (81, 266378720), (90, 239740848), (96, 224757045), (108, 199784040), (120, 179805636), (135, 159827232), (144, 149838030), (160, 134854227), (162, 133189360), (180, 119870424), (216, 99892020), (240, 89902818), (270, 79913616), (288, 74919015), (324, 66594680), (360, 59935212), (405, 53275744), (432, 49946010), (480, 44951409), (540, 39956808), (648, 33297340), (720, 29967606), (810, 26637872), (864, 24973005), (1080, 19978404), (1296, 16648670), (1440, 14983803), (1620, 13318936), (2160, 9989202), (2592, 8324335), (3240, 6659468), (4320, 4994601), (6480, 3329734), (12960, 1664867)]