21233493

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1013}}^1$

素因数の和:1173

約数の個数: 24

約数和(自身を含む): 32744088

約数和(自身を除く): 11510595

約数列:

[1, 3, 9, 17, 51, 137, 153, 411, 1013, 1233, 2329, 3039, 6987, 9117, 17221, 20961, 51663, 138781, 154989, 416343, 1249029, 2359277, 7077831, 21233493]

約数ペア:

[(1, 21233493), (3, 7077831), (9, 2359277), (17, 1249029), (51, 416343), (137, 154989), (153, 138781), (411, 51663), (1013, 20961), (1233, 17221), (2329, 9117), (3039, 6987)]