21978484

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29383}}^1$

素因数の和:29415

約数の個数: 24

約数和(自身を含む): 44428608

約数和(自身を除く): 22450124

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 748, 29383, 58766, 117532, 323213, 499511, 646426, 999022, 1292852, 1998044, 5494621, 10989242, 21978484]

約数ペア:

[(1, 21978484), (2, 10989242), (4, 5494621), (11, 1998044), (17, 1292852), (22, 999022), (34, 646426), (44, 499511), (68, 323213), (187, 117532), (374, 58766), (748, 29383)]