21090288

素因数分解:

$2^4\times 3^1\times {\mathrm{439381}}^1$

素因数の和:439392

約数の個数: 20

約数和(自身を含む): 54483368

約数和(自身を除く): 33393080

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 439381, 878762, 1318143, 1757524, 2636286, 3515048, 5272572, 7030096, 10545144, 21090288]

約数ペア:

[(1, 21090288), (2, 10545144), (3, 7030096), (4, 5272572), (6, 3515048), (8, 2636286), (12, 1757524), (16, 1318143), (24, 878762), (48, 439381)]