21051712

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1759}}^1$

素因数の和:1799

約数の個数: 56

約数和(自身を含む): 48280320

約数和(自身を除く): 27228608

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 64, 68, 88, 136, 176, 187, 272, 352, 374, 544, 704, 748, 1088, 1496, 1759, 2992, 3518, 5984, 7036, 11968, 14072, 19349, 28144, 29903, 38698, 56288, 59806, 77396, 112576, 119612, 154792, 239224, 309584, 328933, 478448, 619168, 657866, 956896, 1238336, 1315732, 1913792, 2631464, 5262928, 10525856, 21051712]

約数ペア:

[(1, 21051712), (2, 10525856), (4, 5262928), (8, 2631464), (11, 1913792), (16, 1315732), (17, 1238336), (22, 956896), (32, 657866), (34, 619168), (44, 478448), (64, 328933), (68, 309584), (88, 239224), (136, 154792), (176, 119612), (187, 112576), (272, 77396), (352, 59806), (374, 56288), (544, 38698), (704, 29903), (748, 28144), (1088, 19349), (1496, 14072), (1759, 11968), (2992, 7036), (3518, 5984)]