21125339

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{557}}^1$

素因数の和:694

約数の個数: 16

約数和(自身を含む): 23623488

約数和(自身を除く): 2498149

約数列:

[1, 17, 23, 97, 391, 557, 1649, 2231, 9469, 12811, 37927, 54029, 217787, 918493, 1242667, 21125339]

約数ペア:

[(1, 21125339), (17, 1242667), (23, 918493), (97, 217787), (391, 54029), (557, 37927), (1649, 12811), (2231, 9469)]