21304630

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{45329}}^1$

素因数の和:45383

約数の個数: 16

約数和(自身を含む): 39165120

約数和(自身を除く): 17860490

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 45329, 90658, 226645, 453290, 2130463, 4260926, 10652315, 21304630]

約数ペア:

[(1, 21304630), (2, 10652315), (5, 4260926), (10, 2130463), (47, 453290), (94, 226645), (235, 90658), (470, 45329)]