21167389479

素因数分解:

$3^1\times {\mathrm{251}}^1\times {\mathrm{719}}^1\times {\mathrm{39097}}^1$

素因数の和:40070

約数の個数: 16

約数和(自身を含む): 28375764480

約数和(自身を除く): 7208375001

約数列:

[1, 3, 251, 719, 753, 2157, 39097, 117291, 180469, 541407, 9813347, 28110743, 29440041, 84332229, 7055796493, 21167389479]

約数ペア:

[(1, 21167389479), (3, 7055796493), (251, 84332229), (719, 29440041), (753, 28110743), (2157, 9813347), (39097, 541407), (117291, 180469)]