21064476

素因数分解:

$2^2\times 3^1\times {\mathrm{887}}^1\times {\mathrm{1979}}^1$

素因数の和:2873

約数の個数: 24

約数和(自身を含む): 49230720

約数和(自身を除く): 28166244

約数列:

[1, 2, 3, 4, 6, 12, 887, 1774, 1979, 2661, 3548, 3958, 5322, 5937, 7916, 10644, 11874, 23748, 1755373, 3510746, 5266119, 7021492, 10532238, 21064476]

約数ペア:

[(1, 21064476), (2, 10532238), (3, 7021492), (4, 5266119), (6, 3510746), (12, 1755373), (887, 23748), (1774, 11874), (1979, 10644), (2661, 7916), (3548, 5937), (3958, 5322)]