21360959

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1613}}^1$

素因数の和:1690

約数の個数: 16

約数和(自身を含む): 24403680

約数和(自身を除く): 3042721

約数列:

[1, 17, 19, 41, 323, 697, 779, 1613, 13243, 27421, 30647, 66133, 520999, 1124261, 1256527, 21360959]

約数ペア:

[(1, 21360959), (17, 1256527), (19, 1124261), (41, 520999), (323, 66133), (697, 30647), (779, 27421), (1613, 13243)]