21509261279

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1808869}}^1$

素因数の和:1808950

約数の個数: 16

約数和(自身を含む): 25005818880

約数和(自身を除く): 3496557601

約数列:

[1, 11, 23, 47, 253, 517, 1081, 11891, 1808869, 19897559, 41603987, 85016843, 457643857, 935185273, 1955387389, 21509261279]

約数ペア:

[(1, 21509261279), (11, 1955387389), (23, 935185273), (47, 457643857), (253, 85016843), (517, 41603987), (1081, 19897559), (11891, 1808869)]