21187680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1193}}^1$

素因数の和:1248

約数の個数: 96

約数和(自身を含む): 68602464

約数和(自身を除く): 47414784

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 74, 80, 96, 111, 120, 148, 160, 185, 222, 240, 296, 370, 444, 480, 555, 592, 740, 888, 1110, 1184, 1193, 1480, 1776, 2220, 2386, 2960, 3552, 3579, 4440, 4772, 5920, 5965, 7158, 8880, 9544, 11930, 14316, 17760, 17895, 19088, 23860, 28632, 35790, 38176, 44141, 47720, 57264, 71580, 88282, 95440, 114528, 132423, 143160, 176564, 190880, 220705, 264846, 286320, 353128, 441410, 529692, 572640, 662115, 706256, 882820, 1059384, 1324230, 1412512, 1765640, 2118768, 2648460, 3531280, 4237536, 5296920, 7062560, 10593840, 21187680]

約数ペア:

[(1, 21187680), (2, 10593840), (3, 7062560), (4, 5296920), (5, 4237536), (6, 3531280), (8, 2648460), (10, 2118768), (12, 1765640), (15, 1412512), (16, 1324230), (20, 1059384), (24, 882820), (30, 706256), (32, 662115), (37, 572640), (40, 529692), (48, 441410), (60, 353128), (74, 286320), (80, 264846), (96, 220705), (111, 190880), (120, 176564), (148, 143160), (160, 132423), (185, 114528), (222, 95440), (240, 88282), (296, 71580), (370, 57264), (444, 47720), (480, 44141), (555, 38176), (592, 35790), (740, 28632), (888, 23860), (1110, 19088), (1184, 17895), (1193, 17760), (1480, 14316), (1776, 11930), (2220, 9544), (2386, 8880), (2960, 7158), (3552, 5965), (3579, 5920), (4440, 4772)]