21048652899

素因数分解:

$3^3\times {\mathrm{2137}}^1\times {\mathrm{364801}}^1$

素因数の和:366947

約数の個数: 16

約数和(自身を含む): 31197867040

約数和(自身を除く): 10149214141

約数列:

[1, 3, 9, 27, 2137, 6411, 19233, 57699, 364801, 1094403, 3283209, 9849627, 779579737, 2338739211, 7016217633, 21048652899]

約数ペア:

[(1, 21048652899), (3, 7016217633), (9, 2338739211), (27, 779579737), (2137, 9849627), (6411, 3283209), (19233, 1094403), (57699, 364801)]