21540078

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{170953}}^1$

素因数の和:170968

約数の個数: 24

約数和(自身を含む): 53337648

約数和(自身を除く): 31797570

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 170953, 341906, 512859, 1025718, 1196671, 1538577, 2393342, 3077154, 3590013, 7180026, 10770039, 21540078]

約数ペア:

[(1, 21540078), (2, 10770039), (3, 7180026), (6, 3590013), (7, 3077154), (9, 2393342), (14, 1538577), (18, 1196671), (21, 1025718), (42, 512859), (63, 341906), (126, 170953)]