21894530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{312779}}^1$

素因数の和:312793

約数の個数: 16

約数和(自身を含む): 45040320

約数和(自身を除く): 23145790

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 312779, 625558, 1563895, 2189453, 3127790, 4378906, 10947265, 21894530]

約数ペア:

[(1, 21894530), (2, 10947265), (5, 4378906), (7, 3127790), (10, 2189453), (14, 1563895), (35, 625558), (70, 312779)]