21289076

素因数分解:

$2^2\times {\mathrm{23}}^2\times {\mathrm{10061}}^1$

素因数の和:10111

約数の個数: 18

約数和(自身を含む): 38950002

約数和(自身を除く): 17660926

約数列:

[1, 2, 4, 23, 46, 92, 529, 1058, 2116, 10061, 20122, 40244, 231403, 462806, 925612, 5322269, 10644538, 21289076]

約数ペア:

[(1, 21289076), (2, 10644538), (4, 5322269), (23, 925612), (46, 462806), (92, 231403), (529, 40244), (1058, 20122), (2116, 10061)]