21114704

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{101513}}^1$

素因数の和:101534

約数の個数: 20

約数和(自身を含む): 44057076

約数和(自身を除く): 22942372

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 101513, 203026, 406052, 812104, 1319669, 1624208, 2639338, 5278676, 10557352, 21114704]

約数ペア:

[(1, 21114704), (2, 10557352), (4, 5278676), (8, 2639338), (13, 1624208), (16, 1319669), (26, 812104), (52, 406052), (104, 203026), (208, 101513)]