21675966

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{277897}}^1$

素因数の和:277915

約数の個数: 16

約数和(自身を含む): 46686864

約数和(自身を除く): 25010898

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 277897, 555794, 833691, 1667382, 3612661, 7225322, 10837983, 21675966]

約数ペア:

[(1, 21675966), (2, 10837983), (3, 7225322), (6, 3612661), (13, 1667382), (26, 833691), (39, 555794), (78, 277897)]