21000453572

素因数分解:

$2^2\times 7^1\times {\mathrm{750016199}}^1$

素因数の和:750016210

約数の個数: 12

約数和(自身を含む): 42000907200

約数和(自身を除く): 21000453628

約数列:

[1, 2, 4, 7, 14, 28, 750016199, 1500032398, 3000064796, 5250113393, 10500226786, 21000453572]

約数ペア:

[(1, 21000453572), (2, 10500226786), (4, 5250113393), (7, 3000064796), (14, 1500032398), (28, 750016199)]