21070086

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{81667}}^1$

素因数の和:81715

約数の個数: 16

約数和(自身を含む): 43120704

約数和(自身を除く): 22050618

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 81667, 163334, 245001, 490002, 3511681, 7023362, 10535043, 21070086]

約数ペア:

[(1, 21070086), (2, 10535043), (3, 7023362), (6, 3511681), (43, 490002), (86, 245001), (129, 163334), (258, 81667)]