21000812554

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{1421471}}^1$

素因数の和:1421645

約数の個数: 16

約数和(自身を含む): 32238984960

約数和(自身を除く): 11238172406

約数列:

[1, 2, 83, 89, 166, 178, 7387, 14774, 1421471, 2842942, 117982093, 126510919, 235964186, 253021838, 10500406277, 21000812554]

約数ペア:

[(1, 21000812554), (2, 10500406277), (83, 253021838), (89, 235964186), (166, 126510919), (178, 117982093), (7387, 2842942), (14774, 1421471)]