21561177

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{6469}}^1$

素因数の和:6584

約数の個数: 16

約数和(自身を含む): 31677120

約数和(自身を除く): 10115943

約数列:

[1, 3, 11, 33, 101, 303, 1111, 3333, 6469, 19407, 71159, 213477, 653369, 1960107, 7187059, 21561177]

約数ペア:

[(1, 21561177), (3, 7187059), (11, 1960107), (33, 653369), (101, 213477), (303, 71159), (1111, 19407), (3333, 6469)]