21002818

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{5501}}^1$

素因数の和:5609

約数の個数: 16

約数和(自身を含む): 33276096

約数和(自身を除く): 12273278

約数列:

[1, 2, 23, 46, 83, 166, 1909, 3818, 5501, 11002, 126523, 253046, 456583, 913166, 10501409, 21002818]

約数ペア:

[(1, 21002818), (2, 10501409), (23, 913166), (46, 456583), (83, 253046), (166, 126523), (1909, 11002), (3818, 5501)]