21290103

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{613}}^1$

素因数の和:863

約数の個数: 24

約数和(自身を含む): 32758128

約数和(自身を除く): 11468025

約数列:

[1, 3, 9, 17, 51, 153, 227, 613, 681, 1839, 2043, 3859, 5517, 10421, 11577, 31263, 34731, 93789, 139151, 417453, 1252359, 2365567, 7096701, 21290103]

約数ペア:

[(1, 21290103), (3, 7096701), (9, 2365567), (17, 1252359), (51, 417453), (153, 139151), (227, 93789), (613, 34731), (681, 31263), (1839, 11577), (2043, 10421), (3859, 5517)]