21203496

素因数分解:

$2^3\times 3^2\times {\mathrm{317}}^1\times {\mathrm{929}}^1$

素因数の和:1258

約数の個数: 48

約数和(自身を含む): 57669300

約数和(自身を除く): 36465804

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 317, 634, 929, 951, 1268, 1858, 1902, 2536, 2787, 2853, 3716, 3804, 5574, 5706, 7432, 7608, 8361, 11148, 11412, 16722, 22296, 22824, 33444, 66888, 294493, 588986, 883479, 1177972, 1766958, 2355944, 2650437, 3533916, 5300874, 7067832, 10601748, 21203496]

約数ペア:

[(1, 21203496), (2, 10601748), (3, 7067832), (4, 5300874), (6, 3533916), (8, 2650437), (9, 2355944), (12, 1766958), (18, 1177972), (24, 883479), (36, 588986), (72, 294493), (317, 66888), (634, 33444), (929, 22824), (951, 22296), (1268, 16722), (1858, 11412), (1902, 11148), (2536, 8361), (2787, 7608), (2853, 7432), (3716, 5706), (3804, 5574)]