21000339321

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{538470239}}^1$

素因数の和:538470255

約数の個数: 8

約数和(自身を含む): 30154333440

約数和(自身を除く): 9153994119

約数列:

[1, 3, 13, 39, 538470239, 1615410717, 7000113107, 21000339321]

約数ペア:

[(1, 21000339321), (3, 7000113107), (13, 1615410717), (39, 538470239)]