21850278

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{84691}}^1$

素因数の和:84739

約数の個数: 16

約数和(自身を含む): 44717376

約数和(自身を除く): 22867098

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 84691, 169382, 254073, 508146, 3641713, 7283426, 10925139, 21850278]

約数ペア:

[(1, 21850278), (2, 10925139), (3, 7283426), (6, 3641713), (43, 508146), (86, 254073), (129, 169382), (258, 84691)]