21379094

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{13687}}^1$

素因数の和:13771

約数の個数: 16

約数和(自身を含む): 35479296

約数和(自身を除く): 14100202

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 13687, 27374, 150557, 301114, 971777, 1943554, 10689547, 21379094]

約数ペア:

[(1, 21379094), (2, 10689547), (11, 1943554), (22, 971777), (71, 301114), (142, 150557), (781, 27374), (1562, 13687)]