21042746

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{9733}}^1$

素因数の和:9805

約数の個数: 16

約数和(自身を含む): 33640704

約数和(自身を除く): 12597958

約数列:

[1, 2, 23, 46, 47, 94, 1081, 2162, 9733, 19466, 223859, 447718, 457451, 914902, 10521373, 21042746]

約数ペア:

[(1, 21042746), (2, 10521373), (23, 914902), (46, 457451), (47, 447718), (94, 223859), (1081, 19466), (2162, 9733)]