21103054

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{13829}}^1$

素因数の和:13947

約数の個数: 16

約数和(自身を含む): 36511200

約数和(自身を除く): 15408146

約数列:

[1, 2, 7, 14, 109, 218, 763, 1526, 13829, 27658, 96803, 193606, 1507361, 3014722, 10551527, 21103054]

約数ペア:

[(1, 21103054), (2, 10551527), (7, 3014722), (14, 1507361), (109, 193606), (218, 96803), (763, 27658), (1526, 13829)]