21452923877

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{3191}}^1\times {\mathrm{12473}}^1$

素因数の和:15689

約数の個数: 24

約数和(自身を含む): 27234833472

約数和(自身を除く): 5781909595

約数列:

[1, 7, 11, 49, 77, 539, 3191, 12473, 22337, 35101, 87311, 137203, 156359, 245707, 611177, 960421, 1719949, 6722947, 39801343, 278609401, 437814773, 1950265807, 3064703411, 21452923877]

約数ペア:

[(1, 21452923877), (7, 3064703411), (11, 1950265807), (49, 437814773), (77, 278609401), (539, 39801343), (3191, 6722947), (12473, 1719949), (22337, 960421), (35101, 611177), (87311, 245707), (137203, 156359)]