21814326

素因数分解:

$2^1\times 3^3\times {\mathrm{403969}}^1$

素因数の和:403980

約数の個数: 16

約数和(自身を含む): 48476400

約数和(自身を除く): 26662074

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 403969, 807938, 1211907, 2423814, 3635721, 7271442, 10907163, 21814326]

約数ペア:

[(1, 21814326), (2, 10907163), (3, 7271442), (6, 3635721), (9, 2423814), (18, 1211907), (27, 807938), (54, 403969)]