21214836

素因数分解:

$2^2\times 3^2\times {\mathrm{257}}^1\times {\mathrm{2293}}^1$

素因数の和:2560

約数の個数: 36

約数和(自身を含む): 53858532

約数和(自身を除く): 32643696

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 257, 514, 771, 1028, 1542, 2293, 2313, 3084, 4586, 4626, 6879, 9172, 9252, 13758, 20637, 27516, 41274, 82548, 589301, 1178602, 1767903, 2357204, 3535806, 5303709, 7071612, 10607418, 21214836]

約数ペア:

[(1, 21214836), (2, 10607418), (3, 7071612), (4, 5303709), (6, 3535806), (9, 2357204), (12, 1767903), (18, 1178602), (36, 589301), (257, 82548), (514, 41274), (771, 27516), (1028, 20637), (1542, 13758), (2293, 9252), (2313, 9172), (3084, 6879), (4586, 4626)]