21344193

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{14033}}^1$

素因数の和:14065

約数の個数: 18

約数和(自身を含む): 33386886

約数和(自身を除く): 12042693

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 14033, 42099, 126297, 182429, 547287, 1641861, 2371577, 7114731, 21344193]

約数ペア:

[(1, 21344193), (3, 7114731), (9, 2371577), (13, 1641861), (39, 547287), (117, 182429), (169, 126297), (507, 42099), (1521, 14033)]