21123326

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79411}}^1$

素因数の和:79439

約数の個数: 16

約数和(自身を含む): 38117760

約数和(自身を除く): 16994434

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 79411, 158822, 555877, 1111754, 1508809, 3017618, 10561663, 21123326]

約数ペア:

[(1, 21123326), (2, 10561663), (7, 3017618), (14, 1508809), (19, 1111754), (38, 555877), (133, 158822), (266, 79411)]