21086366

素因数分解:

$2^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{2089}}^1$

素因数の和:2208

約数の個数: 24

約数和(自身を含む): 37168560

約数和(自身を除く): 16082194

約数列:

[1, 2, 7, 14, 49, 98, 103, 206, 721, 1442, 2089, 4178, 5047, 10094, 14623, 29246, 102361, 204722, 215167, 430334, 1506169, 3012338, 10543183, 21086366]

約数ペア:

[(1, 21086366), (2, 10543183), (7, 3012338), (14, 1506169), (49, 430334), (98, 215167), (103, 204722), (206, 102361), (721, 29246), (1442, 14623), (2089, 10094), (4178, 5047)]