21847907

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{787}}^1$

素因数の和:898

約数の個数: 16

約数和(自身を含む): 24509952

約数和(自身を除く): 2662045

約数列:

[1, 17, 23, 71, 391, 787, 1207, 1633, 13379, 18101, 27761, 55877, 307717, 949909, 1285171, 21847907]

約数ペア:

[(1, 21847907), (17, 1285171), (23, 949909), (71, 307717), (391, 55877), (787, 27761), (1207, 18101), (1633, 13379)]