21263379

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{10169}}^1$

素因数の和:10230

約数の個数: 16

約数和(自身を含む): 30754080

約数和(自身を除く): 9490701

約数列:

[1, 3, 17, 41, 51, 123, 697, 2091, 10169, 30507, 172873, 416929, 518619, 1250787, 7087793, 21263379]

約数ペア:

[(1, 21263379), (3, 7087793), (17, 1250787), (41, 518619), (51, 416929), (123, 172873), (697, 30507), (2091, 10169)]