21776534

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{15803}}^1$

素因数の和:15871

約数の個数: 16

約数和(自身を含む): 35843472

約数和(自身を除く): 14066938

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 15803, 31606, 205439, 410878, 837559, 1675118, 10888267, 21776534]

約数ペア:

[(1, 21776534), (2, 10888267), (13, 1675118), (26, 837559), (53, 410878), (106, 205439), (689, 31606), (1378, 15803)]