21160601

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:162

約数の個数: 36

約数和(自身を含む): 28019376

約数和(自身を除く): 6858775

約数列:

[1, 7, 11, 43, 49, 77, 83, 121, 301, 473, 539, 581, 847, 913, 2107, 3311, 3569, 4067, 5203, 5929, 6391, 10043, 23177, 24983, 36421, 39259, 44737, 70301, 174881, 254947, 274813, 431849, 492107, 1923691, 3022943, 21160601]

約数ペア:

[(1, 21160601), (7, 3022943), (11, 1923691), (43, 492107), (49, 431849), (77, 274813), (83, 254947), (121, 174881), (301, 70301), (473, 44737), (539, 39259), (581, 36421), (847, 24983), (913, 23177), (2107, 10043), (3311, 6391), (3569, 5929), (4067, 5203)]