21241570556

素因数分解:

$2^2\times {\mathrm{487}}^1\times {\mathrm{977}}^1\times {\mathrm{11161}}^1$

素因数の和:12629

約数の個数: 24

約数和(自身を含む): 37290545376

約数和(自身を除く): 16048974820

約数列:

[1, 2, 4, 487, 974, 977, 1948, 1954, 3908, 11161, 22322, 44644, 475799, 951598, 1903196, 5435407, 10870814, 10904297, 21741628, 21808594, 43617188, 5310392639, 10620785278, 21241570556]

約数ペア:

[(1, 21241570556), (2, 10620785278), (4, 5310392639), (487, 43617188), (974, 21808594), (977, 21741628), (1948, 10904297), (1954, 10870814), (3908, 5435407), (11161, 1903196), (22322, 951598), (44644, 475799)]