21082438

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{42677}}^1$

素因数の和:42711

約数の個数: 16

約数和(自身を含む): 35849520

約数和(自身を除く): 14767082

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 42677, 85354, 554801, 810863, 1109602, 1621726, 10541219, 21082438]

約数ペア:

[(1, 21082438), (2, 10541219), (13, 1621726), (19, 1109602), (26, 810863), (38, 554801), (247, 85354), (494, 42677)]