21079246

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{4909}}^1$

素因数の和:5043

約数の個数: 16

約数和(自身を含む): 33584400

約数和(自身を除く): 12505154

約数列:

[1, 2, 19, 38, 113, 226, 2147, 4294, 4909, 9818, 93271, 186542, 554717, 1109434, 10539623, 21079246]

約数ペア:

[(1, 21079246), (2, 10539623), (19, 1109434), (38, 554717), (113, 186542), (226, 93271), (2147, 9818), (4294, 4909)]