21373878081

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{17117}}^1\times {\mathrm{18097}}^1$

素因数の和:35240

約数の個数: 16

約数和(自身を含む): 29740950144

約数和(自身を除く): 8367072063

約数列:

[1, 3, 23, 69, 17117, 18097, 51351, 54291, 393691, 416231, 1181073, 1248693, 309766349, 929299047, 7124626027, 21373878081]

約数ペア:

[(1, 21373878081), (3, 7124626027), (23, 929299047), (69, 309766349), (17117, 1248693), (18097, 1181073), (51351, 416231), (54291, 393691)]