21486794

素因数分解:

$2^1\times 7^2\times {\mathrm{233}}^1\times {\mathrm{941}}^1$

素因数の和:1190

約数の個数: 24

約数和(自身を含む): 37693188

約数和(自身を除く): 16206394

約数列:

[1, 2, 7, 14, 49, 98, 233, 466, 941, 1631, 1882, 3262, 6587, 11417, 13174, 22834, 46109, 92218, 219253, 438506, 1534771, 3069542, 10743397, 21486794]

約数ペア:

[(1, 21486794), (2, 10743397), (7, 3069542), (14, 1534771), (49, 438506), (98, 219253), (233, 92218), (466, 46109), (941, 22834), (1631, 13174), (1882, 11417), (3262, 6587)]