21393882

素因数分解:

$2^1\times 3^4\times {\mathrm{41}}^1\times {\mathrm{3221}}^1$

素因数の和:3276

約数の個数: 40

約数和(自身を含む): 49122612

約数和(自身を除く): 27728730

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 54, 81, 82, 123, 162, 246, 369, 738, 1107, 2214, 3221, 3321, 6442, 6642, 9663, 19326, 28989, 57978, 86967, 132061, 173934, 260901, 264122, 396183, 521802, 792366, 1188549, 2377098, 3565647, 7131294, 10696941, 21393882]

約数ペア:

[(1, 21393882), (2, 10696941), (3, 7131294), (6, 3565647), (9, 2377098), (18, 1188549), (27, 792366), (41, 521802), (54, 396183), (81, 264122), (82, 260901), (123, 173934), (162, 132061), (246, 86967), (369, 57978), (738, 28989), (1107, 19326), (2214, 9663), (3221, 6642), (3321, 6442)]