21458853

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4957}}^1$

素因数の和:5013

約数の個数: 24

約数和(自身を含む): 34289528

約数和(自身を除く): 12830675

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 333, 481, 1443, 4329, 4957, 14871, 44613, 64441, 183409, 193323, 550227, 579969, 1650681, 2384317, 7152951, 21458853]

約数ペア:

[(1, 21458853), (3, 7152951), (9, 2384317), (13, 1650681), (37, 579969), (39, 550227), (111, 193323), (117, 183409), (333, 64441), (481, 44613), (1443, 14871), (4329, 4957)]