21838414

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{5153}}^1$

素因数の和:5331

約数の個数: 16

約数和(自身を含む): 35500752

約数和(自身を除く): 13662338

約数列:

[1, 2, 13, 26, 163, 326, 2119, 4238, 5153, 10306, 66989, 133978, 839939, 1679878, 10919207, 21838414]

約数ペア:

[(1, 21838414), (2, 10919207), (13, 1679878), (26, 839939), (163, 133978), (326, 66989), (2119, 10306), (4238, 5153)]