21791818

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{2099}}^1$

素因数の和:2309

約数の個数: 16

約数和(自身を含む): 34020000

約数和(自身を除く): 12228182

約数列:

[1, 2, 29, 58, 179, 358, 2099, 4198, 5191, 10382, 60871, 121742, 375721, 751442, 10895909, 21791818]

約数ペア:

[(1, 21791818), (2, 10895909), (29, 751442), (58, 375721), (179, 121742), (358, 60871), (2099, 10382), (4198, 5191)]