21840804881

素因数分解:

$7^1\times {\mathrm{491}}^1\times {\mathrm{1117}}^1\times {\mathrm{5689}}^1$

素因数の和:7304

約数の個数: 16

約数和(自身を含む): 25038549120

約数和(自身を除く): 3197744239

約数列:

[1, 7, 491, 1117, 3437, 5689, 7819, 39823, 548447, 2793299, 3839129, 6354613, 19553093, 44482291, 3120114983, 21840804881]

約数ペア:

[(1, 21840804881), (7, 3120114983), (491, 44482291), (1117, 19553093), (3437, 6354613), (5689, 3839129), (7819, 2793299), (39823, 548447)]