21194459

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{877}}^1$

素因数の和:927

約数の個数: 16

約数和(自身を含む): 25075680

約数和(自身を除く): 3881221

約数列:

[1, 11, 13, 143, 169, 877, 1859, 2197, 9647, 11401, 24167, 125411, 148213, 1630343, 1926769, 21194459]

約数ペア:

[(1, 21194459), (11, 1926769), (13, 1630343), (143, 148213), (169, 125411), (877, 24167), (1859, 11401), (2197, 9647)]