21144549

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{21821}}^1$

素因数の和:21860

約数の個数: 16

約数和(自身を含む): 31423680

約数和(自身を除く): 10279131

約数列:

[1, 3, 17, 19, 51, 57, 323, 969, 21821, 65463, 370957, 414599, 1112871, 1243797, 7048183, 21144549]

約数ペア:

[(1, 21144549), (3, 7048183), (17, 1243797), (19, 1112871), (51, 414599), (57, 370957), (323, 65463), (969, 21821)]