21088272

素因数分解:

$2^4\times 3^1\times {\mathrm{439339}}^1$

素因数の和:439350

約数の個数: 20

約数和(自身を含む): 54478160

約数和(自身を除く): 33389888

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 439339, 878678, 1318017, 1757356, 2636034, 3514712, 5272068, 7029424, 10544136, 21088272]

約数ペア:

[(1, 21088272), (2, 10544136), (3, 7029424), (4, 5272068), (6, 3514712), (8, 2636034), (12, 1757356), (16, 1318017), (24, 878678), (48, 439339)]