21453718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{75013}}^1$

素因数の和:75039

約数の個数: 16

約数和(自身を含む): 37807056

約数和(自身を除く): 16353338

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 75013, 150026, 825143, 975169, 1650286, 1950338, 10726859, 21453718]

約数ペア:

[(1, 21453718), (2, 10726859), (11, 1950338), (13, 1650286), (22, 975169), (26, 825143), (143, 150026), (286, 75013)]