21008086

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:316

約数の個数: 32

約数和(自身を含む): 35463168

約数和(自身を除く): 14455082

約数列:

[1, 2, 11, 22, 73, 103, 127, 146, 206, 254, 803, 1133, 1397, 1606, 2266, 2794, 7519, 9271, 13081, 15038, 18542, 26162, 82709, 101981, 143891, 165418, 203962, 287782, 954913, 1909826, 10504043, 21008086]

約数ペア:

[(1, 21008086), (2, 10504043), (11, 1909826), (22, 954913), (73, 287782), (103, 203962), (127, 165418), (146, 143891), (206, 101981), (254, 82709), (803, 26162), (1133, 18542), (1397, 15038), (1606, 13081), (2266, 9271), (2794, 7519)]