21094007

素因数分解:

${\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{241}}^1$

素因数の和:434

約数の個数: 16

約数和(自身を含む): 23638560

約数和(自身を除く): 2544553

約数列:

[1, 11, 73, 109, 241, 803, 1199, 2651, 7957, 17593, 26269, 87527, 193523, 288959, 1917637, 21094007]

約数ペア:

[(1, 21094007), (11, 1917637), (73, 288959), (109, 193523), (241, 87527), (803, 26269), (1199, 17593), (2651, 7957)]