21113144

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{203011}}^1$

素因数の和:203030

約数の個数: 16

約数和(自身を含む): 42632520

約数和(自身を除く): 21519376

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 203011, 406022, 812044, 1624088, 2639143, 5278286, 10556572, 21113144]

約数ペア:

[(1, 21113144), (2, 10556572), (4, 5278286), (8, 2639143), (13, 1624088), (26, 812044), (52, 406022), (104, 203011)]