21304024

素因数分解:

$2^3\times 7^2\times {\mathrm{54347}}^1$

素因数の和:54367

約数の個数: 24

約数和(自身を含む): 46467540

約数和(自身を除く): 25163516

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 54347, 108694, 217388, 380429, 434776, 760858, 1521716, 2663003, 3043432, 5326006, 10652012, 21304024]

約数ペア:

[(1, 21304024), (2, 10652012), (4, 5326006), (7, 3043432), (8, 2663003), (14, 1521716), (28, 760858), (49, 434776), (56, 380429), (98, 217388), (196, 108694), (392, 54347)]