21864329

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{281}}^1$

素因数の和:520

約数の個数: 16

約数和(自身を含む): 24364800

約数和(自身を除く): 2500471

約数列:

[1, 17, 23, 199, 281, 391, 3383, 4577, 4777, 6463, 55919, 77809, 109871, 950623, 1286137, 21864329]

約数ペア:

[(1, 21864329), (17, 1286137), (23, 950623), (199, 109871), (281, 77809), (391, 55919), (3383, 6463), (4577, 4777)]