21000948056

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{5563}}^1\times {\mathrm{42899}}^1$

素因数の和:48479

約数の個数: 32

約数和(自身を含む): 42965208000

約数和(自身を除く): 21964259944

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 5563, 11126, 22252, 42899, 44504, 61193, 85798, 122386, 171596, 244772, 343192, 471889, 489544, 943778, 1887556, 3775112, 238647137, 477294274, 954588548, 1909177096, 2625118507, 5250237014, 10500474028, 21000948056]

約数ペア:

[(1, 21000948056), (2, 10500474028), (4, 5250237014), (8, 2625118507), (11, 1909177096), (22, 954588548), (44, 477294274), (88, 238647137), (5563, 3775112), (11126, 1887556), (22252, 943778), (42899, 489544), (44504, 471889), (61193, 343192), (85798, 244772), (122386, 171596)]