21552468

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{256577}}^1$

素因数の和:256591

約数の個数: 24

約数和(自身を含む): 57473472

約数和(自身を除く): 35921004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 256577, 513154, 769731, 1026308, 1539462, 1796039, 3078924, 3592078, 5388117, 7184156, 10776234, 21552468]

約数ペア:

[(1, 21552468), (2, 10776234), (3, 7184156), (4, 5388117), (6, 3592078), (7, 3078924), (12, 1796039), (14, 1539462), (21, 1026308), (28, 769731), (42, 513154), (84, 256577)]