21407522

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{509}}^1\times {\mathrm{1237}}^1$

素因数の和:1765

約数の個数: 16

約数和(自身を含む): 34094520

約数和(自身を除く): 12686998

約数列:

[1, 2, 17, 34, 509, 1018, 1237, 2474, 8653, 17306, 21029, 42058, 629633, 1259266, 10703761, 21407522]

約数ペア:

[(1, 21407522), (2, 10703761), (17, 1259266), (34, 629633), (509, 42058), (1018, 21029), (1237, 17306), (2474, 8653)]