21554508

素因数分解:

$2^2\times 3^1\times {\mathrm{107}}^1\times {\mathrm{16787}}^1$

素因数の和:16901

約数の個数: 24

約数和(自身を含む): 50766912

約数和(自身を除く): 29212404

約数列:

[1, 2, 3, 4, 6, 12, 107, 214, 321, 428, 642, 1284, 16787, 33574, 50361, 67148, 100722, 201444, 1796209, 3592418, 5388627, 7184836, 10777254, 21554508]

約数ペア:

[(1, 21554508), (2, 10777254), (3, 7184836), (4, 5388627), (6, 3592418), (12, 1796209), (107, 201444), (214, 100722), (321, 67148), (428, 50361), (642, 33574), (1284, 16787)]