21045264

素因数分解:

$2^4\times 3^1\times {\mathrm{438443}}^1$

素因数の和:438454

約数の個数: 20

約数和(自身を含む): 54367056

約数和(自身を除く): 33321792

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 438443, 876886, 1315329, 1753772, 2630658, 3507544, 5261316, 7015088, 10522632, 21045264]

約数ペア:

[(1, 21045264), (2, 10522632), (3, 7015088), (4, 5261316), (6, 3507544), (8, 2630658), (12, 1753772), (16, 1315329), (24, 876886), (48, 438443)]