21059452

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{2557}}^1$

素因数の和:2661

約数の個数: 24

約数和(自身を含む): 38676960

約数和(自身を除く): 17617508

約数列:

[1, 2, 4, 29, 58, 71, 116, 142, 284, 2059, 2557, 4118, 5114, 8236, 10228, 74153, 148306, 181547, 296612, 363094, 726188, 5264863, 10529726, 21059452]

約数ペア:

[(1, 21059452), (2, 10529726), (4, 5264863), (29, 726188), (58, 363094), (71, 296612), (116, 181547), (142, 148306), (284, 74153), (2059, 10228), (2557, 8236), (4118, 5114)]