21998242

素因数分解:

$2^1\times 7^1\times {\mathrm{97}}^2\times {\mathrm{167}}^1$

素因数の和:370

約数の個数: 24

約数和(自身を含む): 38332224

約数和(自身を除く): 16333982

約数列:

[1, 2, 7, 14, 97, 167, 194, 334, 679, 1169, 1358, 2338, 9409, 16199, 18818, 32398, 65863, 113393, 131726, 226786, 1571303, 3142606, 10999121, 21998242]

約数ペア:

[(1, 21998242), (2, 10999121), (7, 3142606), (14, 1571303), (97, 226786), (167, 131726), (194, 113393), (334, 65863), (679, 32398), (1169, 18818), (1358, 16199), (2338, 9409)]