21130054

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41759}}^1$

素因数の和:41795

約数の個数: 16

約数和(自身を含む): 36080640

約数和(自身を除く): 14950586

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 41759, 83518, 459349, 918698, 960457, 1920914, 10565027, 21130054]

約数ペア:

[(1, 21130054), (2, 10565027), (11, 1920914), (22, 960457), (23, 918698), (46, 459349), (253, 83518), (506, 41759)]