21263669291

素因数分解:

${\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{641}}^1\times {\mathrm{2137}}^1$

素因数の和:2859

約数の個数: 24

約数和(自身を含む): 23010199344

約数和(自身を除く): 1746530053

約数列:

[1, 19, 43, 361, 641, 817, 2137, 12179, 15523, 27563, 40603, 91891, 231401, 523697, 771457, 1369817, 1745929, 9950243, 26026523, 33172651, 58902131, 494503937, 1119140489, 21263669291]

約数ペア:

[(1, 21263669291), (19, 1119140489), (43, 494503937), (361, 58902131), (641, 33172651), (817, 26026523), (2137, 9950243), (12179, 1745929), (15523, 1369817), (27563, 771457), (40603, 523697), (91891, 231401)]