21967553

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2957}}^1$

素因数の和:3016

約数の個数: 16

約数和(自身を含む): 25557120

約数和(自身を除く): 3589567

約数列:

[1, 17, 19, 23, 323, 391, 437, 2957, 7429, 50269, 56183, 68011, 955111, 1156187, 1292209, 21967553]

約数ペア:

[(1, 21967553), (17, 1292209), (19, 1156187), (23, 955111), (323, 68011), (391, 56183), (437, 50269), (2957, 7429)]