21068206

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{829}}^1$

素因数の和:1059

約数の個数: 16

約数和(自身を含む): 32210640

約数和(自身を除く): 11142434

約数列:

[1, 2, 97, 131, 194, 262, 829, 1658, 12707, 25414, 80413, 108599, 160826, 217198, 10534103, 21068206]

約数ペア:

[(1, 21068206), (2, 10534103), (97, 217198), (131, 160826), (194, 108599), (262, 80413), (829, 25414), (1658, 12707)]