21090948478

素因数分解:

$2^1\times {\mathrm{683}}^1\times {\mathrm{863}}^1\times {\mathrm{17891}}^1$

素因数の和:19439

約数の個数: 16

約数和(自身を含む): 31721227776

約数和(自身を除く): 10630279298

約数列:

[1, 2, 683, 863, 1366, 1726, 17891, 35782, 589429, 1178858, 12219553, 15439933, 24439106, 30879866, 10545474239, 21090948478]

約数ペア:

[(1, 21090948478), (2, 10545474239), (683, 30879866), (863, 24439106), (1366, 15439933), (1726, 12219553), (17891, 1178858), (35782, 589429)]