21896187

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{6047}}^1$

素因数の和:6138

約数の個数: 16

約数和(自身を含む): 31352832

約数和(自身を除く): 9456645

約数列:

[1, 3, 17, 51, 71, 213, 1207, 3621, 6047, 18141, 102799, 308397, 429337, 1288011, 7298729, 21896187]

約数ペア:

[(1, 21896187), (3, 7298729), (17, 1288011), (51, 429337), (71, 308397), (213, 102799), (1207, 18141), (3621, 6047)]