21086770178

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{3529}}^1\times {\mathrm{33569}}^1$

素因数の和:37189

約数の個数: 16

約数和(自身を含む): 31995567000

約数和(自身を除く): 10908796822

約数列:

[1, 2, 89, 178, 3529, 7058, 33569, 67138, 314081, 628162, 2987641, 5975282, 118465001, 236930002, 10543385089, 21086770178]

約数ペア:

[(1, 21086770178), (2, 10543385089), (89, 236930002), (178, 118465001), (3529, 5975282), (7058, 2987641), (33569, 628162), (67138, 314081)]