21429260

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{36947}}^1$

素因数の和:36985

約数の個数: 24

約数和(自身を含む): 46554480

約数和(自身を除く): 25125220

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 36947, 73894, 147788, 184735, 369470, 738940, 1071463, 2142926, 4285852, 5357315, 10714630, 21429260]

約数ペア:

[(1, 21429260), (2, 10714630), (4, 5357315), (5, 4285852), (10, 2142926), (20, 1071463), (29, 738940), (58, 369470), (116, 184735), (145, 147788), (290, 73894), (580, 36947)]