21609304

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{21269}}^1$

素因数の和:21402

約数の個数: 16

約数和(自身を含む): 40838400

約数和(自身を除く): 19229096

約数列:

[1, 2, 4, 8, 127, 254, 508, 1016, 21269, 42538, 85076, 170152, 2701163, 5402326, 10804652, 21609304]

約数ペア:

[(1, 21609304), (2, 10804652), (4, 5402326), (8, 2701163), (127, 170152), (254, 85076), (508, 42538), (1016, 21269)]