21650320172

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{416352311}}^1$

素因数の和:416352328

約数の個数: 12

約数和(自身を含む): 40802526576

約数和(自身を除く): 19152206404

約数列:

[1, 2, 4, 13, 26, 52, 416352311, 832704622, 1665409244, 5412580043, 10825160086, 21650320172]

約数ペア:

[(1, 21650320172), (2, 10825160086), (4, 5412580043), (13, 1665409244), (26, 832704622), (52, 416352311)]