21085586

素因数分解:

$2^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1\times {\mathrm{409}}^1$

素因数の和:733

約数の個数: 16

約数和(自身を含む): 32103000

約数和(自身を除く): 11017414

約数列:

[1, 2, 149, 173, 298, 346, 409, 818, 25777, 51554, 60941, 70757, 121882, 141514, 10542793, 21085586]

約数ペア:

[(1, 21085586), (2, 10542793), (149, 141514), (173, 121882), (298, 70757), (346, 60941), (409, 51554), (818, 25777)]