21506324

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{20759}}^1$

素因数の和:20807

約数の個数: 24

約数和(自身を含む): 44177280

約数和(自身を除く): 22670956

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 20759, 41518, 83036, 145313, 290626, 581252, 768083, 1536166, 3072332, 5376581, 10753162, 21506324]

約数ペア:

[(1, 21506324), (2, 10753162), (4, 5376581), (7, 3072332), (14, 1536166), (28, 768083), (37, 581252), (74, 290626), (148, 145313), (259, 83036), (518, 41518), (1036, 20759)]