21669807

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{971}}^1$

素因数の和:1190

約数の個数: 16

約数和(自身を含む): 29766528

約数和(自身を除く): 8096721

約数列:

[1, 3, 43, 129, 173, 519, 971, 2913, 7439, 22317, 41753, 125259, 167983, 503949, 7223269, 21669807]

約数ペア:

[(1, 21669807), (3, 7223269), (43, 503949), (129, 167983), (173, 125259), (519, 41753), (971, 22317), (2913, 7439)]