21236732

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{983}}^1$

素因数の和:1489

約数の個数: 24

約数和(自身を含む): 40666752

約数和(自身を除く): 19430020

約数列:

[1, 2, 4, 11, 22, 44, 491, 982, 983, 1964, 1966, 3932, 5401, 10802, 10813, 21604, 21626, 43252, 482653, 965306, 1930612, 5309183, 10618366, 21236732]

約数ペア:

[(1, 21236732), (2, 10618366), (4, 5309183), (11, 1930612), (22, 965306), (44, 482653), (491, 43252), (982, 21626), (983, 21604), (1964, 10813), (1966, 10802), (3932, 5401)]