21806904

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{129803}}^1$

素因数の和:129819

約数の個数: 32

約数和(自身を含む): 62305920

約数和(自身を除く): 40499016

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 129803, 259606, 389409, 519212, 778818, 908621, 1038424, 1557636, 1817242, 2725863, 3115272, 3634484, 5451726, 7268968, 10903452, 21806904]

約数ペア:

[(1, 21806904), (2, 10903452), (3, 7268968), (4, 5451726), (6, 3634484), (7, 3115272), (8, 2725863), (12, 1817242), (14, 1557636), (21, 1038424), (24, 908621), (28, 778818), (42, 519212), (56, 389409), (84, 259606), (168, 129803)]