21497636721

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{3911}}^1\times {\mathrm{166567}}^1$

素因数の和:170492

約数の個数: 16

約数和(自身を含む): 31277472768

約数和(自身を除く): 9779836047

約数列:

[1, 3, 11, 33, 3911, 11733, 43021, 129063, 166567, 499701, 1832237, 5496711, 651443537, 1954330611, 7165878907, 21497636721]

約数ペア:

[(1, 21497636721), (3, 7165878907), (11, 1954330611), (33, 651443537), (3911, 5496711), (11733, 1832237), (43021, 499701), (129063, 166567)]