21451066

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2741}}^1$

素因数の和:2806

約数の個数: 32

約数和(自身を含む): 40537728

約数和(自身を除く): 19086662

約数列:

[1, 2, 7, 13, 14, 26, 43, 86, 91, 182, 301, 559, 602, 1118, 2741, 3913, 5482, 7826, 19187, 35633, 38374, 71266, 117863, 235726, 249431, 498862, 825041, 1532219, 1650082, 3064438, 10725533, 21451066]

約数ペア:

[(1, 21451066), (2, 10725533), (7, 3064438), (13, 1650082), (14, 1532219), (26, 825041), (43, 498862), (86, 249431), (91, 235726), (182, 117863), (301, 71266), (559, 38374), (602, 35633), (1118, 19187), (2741, 7826), (3913, 5482)]