21408564

素因数分解:

$2^2\times 3^1\times {\mathrm{73}}^1\times {\mathrm{24439}}^1$

素因数の和:24519

約数の個数: 24

約数和(自身を含む): 50639680

約数和(自身を除く): 29231116

約数列:

[1, 2, 3, 4, 6, 12, 73, 146, 219, 292, 438, 876, 24439, 48878, 73317, 97756, 146634, 293268, 1784047, 3568094, 5352141, 7136188, 10704282, 21408564]

約数ペア:

[(1, 21408564), (2, 10704282), (3, 7136188), (4, 5352141), (6, 3568094), (12, 1784047), (73, 293268), (146, 146634), (219, 97756), (292, 73317), (438, 48878), (876, 24439)]