21908853

素因数分解:

$3^3\times {\mathrm{379}}^1\times {\mathrm{2141}}^1$

素因数の和:2529

約数の個数: 16

約数和(自身を含む): 32558400

約数和(自身を除く): 10649547

約数列:

[1, 3, 9, 27, 379, 1137, 2141, 3411, 6423, 10233, 19269, 57807, 811439, 2434317, 7302951, 21908853]

約数ペア:

[(1, 21908853), (3, 7302951), (9, 2434317), (27, 811439), (379, 57807), (1137, 19269), (2141, 10233), (3411, 6423)]