21957034

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{14057}}^1$

素因数の和:14141

約数の個数: 16

約数和(自身を含む): 36438336

約数和(自身を除く): 14481302

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 14057, 28114, 154627, 309254, 998047, 1996094, 10978517, 21957034]

約数ペア:

[(1, 21957034), (2, 10978517), (11, 1996094), (22, 998047), (71, 309254), (142, 154627), (781, 28114), (1562, 14057)]