21697016

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{246557}}^1$

素因数の和:246574

約数の個数: 16

約数和(自身を含む): 44380440

約数和(自身を除く): 22683424

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 246557, 493114, 986228, 1972456, 2712127, 5424254, 10848508, 21697016]

約数ペア:

[(1, 21697016), (2, 10848508), (4, 5424254), (8, 2712127), (11, 1972456), (22, 986228), (44, 493114), (88, 246557)]