21241454

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{1861}}^1$

素因数の和:2315

約数の個数: 16

約数和(自身を含む): 34409760

約数和(自身を除く): 13168306

約数列:

[1, 2, 13, 26, 439, 878, 1861, 3722, 5707, 11414, 24193, 48386, 816979, 1633958, 10620727, 21241454]

約数ペア:

[(1, 21241454), (2, 10620727), (13, 1633958), (26, 816979), (439, 48386), (878, 24193), (1861, 11414), (3722, 5707)]