21049212

素因数分解:

$2^2\times 3^1\times {\mathrm{89}}^1\times {\mathrm{19709}}^1$

素因数の和:19805

約数の個数: 24

約数和(自身を含む): 49669200

約数和(自身を除く): 28619988

約数列:

[1, 2, 3, 4, 6, 12, 89, 178, 267, 356, 534, 1068, 19709, 39418, 59127, 78836, 118254, 236508, 1754101, 3508202, 5262303, 7016404, 10524606, 21049212]

約数ペア:

[(1, 21049212), (2, 10524606), (3, 7016404), (4, 5262303), (6, 3508202), (12, 1754101), (89, 236508), (178, 118254), (267, 78836), (356, 59127), (534, 39418), (1068, 19709)]