21879786

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{51361}}^1$

素因数の和:51437

約数の個数: 16

約数和(自身を含む): 44376768

約数和(自身を除く): 22496982

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 51361, 102722, 154083, 308166, 3646631, 7293262, 10939893, 21879786]

約数ペア:

[(1, 21879786), (2, 10939893), (3, 7293262), (6, 3646631), (71, 308166), (142, 154083), (213, 102722), (426, 51361)]