21809846

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1\times {\mathrm{619}}^1$

素因数の和:923

約数の個数: 16

約数和(自身を含む): 33331200

約数和(自身を除く): 11521354

約数列:

[1, 2, 79, 158, 223, 446, 619, 1238, 17617, 35234, 48901, 97802, 138037, 276074, 10904923, 21809846]

約数ペア:

[(1, 21809846), (2, 10904923), (79, 276074), (158, 138037), (223, 97802), (446, 48901), (619, 35234), (1238, 17617)]