21792718

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1\times {\mathrm{641}}^1$

素因数の和:923

約数の個数: 16

約数和(自身を含む): 33281280

約数和(自身を除く): 11488562

約数列:

[1, 2, 89, 178, 191, 382, 641, 1282, 16999, 33998, 57049, 114098, 122431, 244862, 10896359, 21792718]

約数ペア:

[(1, 21792718), (2, 10896359), (89, 244862), (178, 122431), (191, 114098), (382, 57049), (641, 33998), (1282, 16999)]