21098216

素因数分解:

$2^3\times {\mathrm{283}}^1\times {\mathrm{9319}}^1$

素因数の和:9608

約数の個数: 16

約数和(自身を含む): 39703200

約数和(自身を除く): 18604984

約数列:

[1, 2, 4, 8, 283, 566, 1132, 2264, 9319, 18638, 37276, 74552, 2637277, 5274554, 10549108, 21098216]

約数ペア:

[(1, 21098216), (2, 10549108), (4, 5274554), (8, 2637277), (283, 74552), (566, 37276), (1132, 18638), (2264, 9319)]