21764366

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{11467}}^1$

素因数の和:11555

約数の個数: 16

約数和(自身を含む): 35642544

約数和(自身を除く): 13878178

約数列:

[1, 2, 13, 26, 73, 146, 949, 1898, 11467, 22934, 149071, 298142, 837091, 1674182, 10882183, 21764366]

約数ペア:

[(1, 21764366), (2, 10882183), (13, 1674182), (26, 837091), (73, 298142), (146, 149071), (949, 22934), (1898, 11467)]