21815882

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{10223}}^1$

素因数の和:10333

約数の個数: 16

約数和(自身を含む): 36070272

約数和(自身を除く): 14254390

約数列:

[1, 2, 11, 22, 97, 194, 1067, 2134, 10223, 20446, 112453, 224906, 991631, 1983262, 10907941, 21815882]

約数ペア:

[(1, 21815882), (2, 10907941), (11, 1983262), (22, 991631), (97, 224906), (194, 112453), (1067, 20446), (2134, 10223)]