21189264

素因数分解:

$2^4\times 3^1\times {\mathrm{441443}}^1$

素因数の和:441454

約数の個数: 20

約数和(自身を含む): 54739056

約数和(自身を除く): 33549792

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 441443, 882886, 1324329, 1765772, 2648658, 3531544, 5297316, 7063088, 10594632, 21189264]

約数ペア:

[(1, 21189264), (2, 10594632), (3, 7063088), (4, 5297316), (6, 3531544), (8, 2648658), (12, 1765772), (16, 1324329), (24, 882886), (48, 441443)]