21696199

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{7927}}^1$

素因数の和:7974

約数の個数: 16

約数和(自身を含む): 27399168

約数和(自身を除く): 5702969

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 7927, 55489, 134759, 182321, 943313, 1276247, 3099457, 21696199]

約数ペア:

[(1, 21696199), (7, 3099457), (17, 1276247), (23, 943313), (119, 182321), (161, 134759), (391, 55489), (2737, 7927)]