21682661

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21661}}^1$

素因数の和:21692

約数の個数: 16

約数和(自身を含む): 29113728

約数和(自身を除く): 7431067

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 21661, 151627, 238271, 281593, 1667897, 1971151, 3097523, 21682661]

約数ペア:

[(1, 21682661), (7, 3097523), (11, 1971151), (13, 1667897), (77, 281593), (91, 238271), (143, 151627), (1001, 21661)]