21672959

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{4201}}^1$

素因数の和:4286

約数の個数: 16

約数和(自身を含む): 27430656

約数和(自身を除く): 5757697

約数列:

[1, 7, 11, 67, 77, 469, 737, 4201, 5159, 29407, 46211, 281467, 323477, 1970269, 3096137, 21672959]

約数ペア:

[(1, 21672959), (7, 3096137), (11, 1970269), (67, 323477), (77, 281467), (469, 46211), (737, 29407), (4201, 5159)]