21286234

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{677}}^1$

素因数の和:957

約数の個数: 16

約数和(自身を含む): 32544000

約数和(自身を除く): 11257766

約数列:

[1, 2, 79, 158, 199, 398, 677, 1354, 15721, 31442, 53483, 106966, 134723, 269446, 10643117, 21286234]

約数ペア:

[(1, 21286234), (2, 10643117), (79, 269446), (158, 134723), (199, 106966), (398, 53483), (677, 31442), (1354, 15721)]