21572852

素因数分解:

$2^2\times 7^1\times {\mathrm{770459}}^1$

素因数の和:770470

約数の個数: 12

約数和(自身を含む): 43145760

約数和(自身を除く): 21572908

約数列:

[1, 2, 4, 7, 14, 28, 770459, 1540918, 3081836, 5393213, 10786426, 21572852]

約数ペア:

[(1, 21572852), (2, 10786426), (4, 5393213), (7, 3081836), (14, 1540918), (28, 770459)]