21051796

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{347}}^1\times {\mathrm{523}}^1$

素因数の和:903

約数の個数: 24

約数和(自身を含む): 38293920

約数和(自身を除く): 17242124

約数列:

[1, 2, 4, 29, 58, 116, 347, 523, 694, 1046, 1388, 2092, 10063, 15167, 20126, 30334, 40252, 60668, 181481, 362962, 725924, 5262949, 10525898, 21051796]

約数ペア:

[(1, 21051796), (2, 10525898), (4, 5262949), (29, 725924), (58, 362962), (116, 181481), (347, 60668), (523, 40252), (694, 30334), (1046, 20126), (1388, 15167), (2092, 10063)]