21580539

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{967}}^1$

素因数の和:1186

約数の個数: 16

約数和(自身を含む): 29644032

約数和(自身を除く): 8063493

約数列:

[1, 3, 43, 129, 173, 519, 967, 2901, 7439, 22317, 41581, 124743, 167291, 501873, 7193513, 21580539]

約数ペア:

[(1, 21580539), (3, 7193513), (43, 501873), (129, 167291), (173, 124743), (519, 41581), (967, 22317), (2901, 7439)]