21349208

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{21013}}^1$

素因数の和:21146

約数の個数: 16

約数和(自身を含む): 40346880

約数和(自身を除く): 18997672

約数列:

[1, 2, 4, 8, 127, 254, 508, 1016, 21013, 42026, 84052, 168104, 2668651, 5337302, 10674604, 21349208]

約数ペア:

[(1, 21349208), (2, 10674604), (4, 5337302), (8, 2668651), (127, 168104), (254, 84052), (508, 42026), (1016, 21013)]