21808743

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{1031}}^1$

素因数の和:1686

約数の個数: 16

約数和(自身を含む): 31802112

約数和(自身を除く): 9993369

約数列:

[1, 3, 11, 33, 641, 1031, 1923, 3093, 7051, 11341, 21153, 34023, 660871, 1982613, 7269581, 21808743]

約数ペア:

[(1, 21808743), (3, 7269581), (11, 1982613), (33, 660871), (641, 34023), (1031, 21153), (1923, 11341), (3093, 7051)]