21375442

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{4357}}^1$

素因数の和:4593

約数の個数: 16

約数和(自身を含む): 35142912

約数和(自身を除く): 13767470

約数列:

[1, 2, 11, 22, 223, 446, 2453, 4357, 4906, 8714, 47927, 95854, 971611, 1943222, 10687721, 21375442]

約数ペア:

[(1, 21375442), (2, 10687721), (11, 1943222), (22, 971611), (223, 95854), (446, 47927), (2453, 8714), (4357, 4906)]