21682818

素因数分解:

$2^1\times 3^2\times {\mathrm{809}}^1\times {\mathrm{1489}}^1$

素因数の和:2306

約数の個数: 24

約数和(自身を含む): 47069100

約数和(自身を除く): 25386282

約数列:

[1, 2, 3, 6, 9, 18, 809, 1489, 1618, 2427, 2978, 4467, 4854, 7281, 8934, 13401, 14562, 26802, 1204601, 2409202, 3613803, 7227606, 10841409, 21682818]

約数ペア:

[(1, 21682818), (2, 10841409), (3, 7227606), (6, 3613803), (9, 2409202), (18, 1204601), (809, 26802), (1489, 14562), (1618, 13401), (2427, 8934), (2978, 7281), (4467, 4854)]