21968872

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{63863}}^1$

素因数の和:63912

約数の個数: 16

約数和(自身を含む): 42150240

約数和(自身を除く): 20181368

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 63863, 127726, 255452, 510904, 2746109, 5492218, 10984436, 21968872]

約数ペア:

[(1, 21968872), (2, 10984436), (4, 5492218), (8, 2746109), (43, 510904), (86, 255452), (172, 127726), (344, 63863)]