21051168

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^1\times {\mathrm{12899}}^1$

素因数の和:12929

約数の個数: 48

約数和(自身を含む): 58514400

約数和(自身を除く): 37463232

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 68, 96, 102, 136, 204, 272, 408, 544, 816, 1632, 12899, 25798, 38697, 51596, 77394, 103192, 154788, 206384, 219283, 309576, 412768, 438566, 619152, 657849, 877132, 1238304, 1315698, 1754264, 2631396, 3508528, 5262792, 7017056, 10525584, 21051168]

約数ペア:

[(1, 21051168), (2, 10525584), (3, 7017056), (4, 5262792), (6, 3508528), (8, 2631396), (12, 1754264), (16, 1315698), (17, 1238304), (24, 877132), (32, 657849), (34, 619152), (48, 438566), (51, 412768), (68, 309576), (96, 219283), (102, 206384), (136, 154788), (204, 103192), (272, 77394), (408, 51596), (544, 38697), (816, 25798), (1632, 12899)]