21687264

素因数分解:

$2^5\times 3^5\times {\mathrm{2789}}^1$

素因数の和:2814

約数の個数: 72

約数和(自身を含む): 63980280

約数和(自身を除く): 42293016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 216, 243, 288, 324, 432, 486, 648, 864, 972, 1296, 1944, 2592, 2789, 3888, 5578, 7776, 8367, 11156, 16734, 22312, 25101, 33468, 44624, 50202, 66936, 75303, 89248, 100404, 133872, 150606, 200808, 225909, 267744, 301212, 401616, 451818, 602424, 677727, 803232, 903636, 1204848, 1355454, 1807272, 2409696, 2710908, 3614544, 5421816, 7229088, 10843632, 21687264]

約数ペア:

[(1, 21687264), (2, 10843632), (3, 7229088), (4, 5421816), (6, 3614544), (8, 2710908), (9, 2409696), (12, 1807272), (16, 1355454), (18, 1204848), (24, 903636), (27, 803232), (32, 677727), (36, 602424), (48, 451818), (54, 401616), (72, 301212), (81, 267744), (96, 225909), (108, 200808), (144, 150606), (162, 133872), (216, 100404), (243, 89248), (288, 75303), (324, 66936), (432, 50202), (486, 44624), (648, 33468), (864, 25101), (972, 22312), (1296, 16734), (1944, 11156), (2592, 8367), (2789, 7776), (3888, 5578)]