21694145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{9173}}^1$

素因数の和:9232

約数の個数: 16

約数和(自身を含む): 29063232

約数和(自身を除く): 7369087

約数列:

[1, 5, 11, 43, 55, 215, 473, 2365, 9173, 45865, 100903, 394439, 504515, 1972195, 4338829, 21694145]

約数ペア:

[(1, 21694145), (5, 4338829), (11, 1972195), (43, 504515), (55, 394439), (215, 100903), (473, 45865), (2365, 9173)]