21251380154

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1\times {\mathrm{433507}}^1$

素因数の和:433829

約数の個数: 16

約数和(自身を含む): 32294611968

約数和(自身を除く): 11043231814

約数列:

[1, 2, 127, 193, 254, 386, 24511, 49022, 433507, 867014, 55055389, 83666851, 110110778, 167333702, 10625690077, 21251380154]

約数ペア:

[(1, 21251380154), (2, 10625690077), (127, 167333702), (193, 110110778), (254, 83666851), (386, 55055389), (24511, 867014), (49022, 433507)]