21134776

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1973}}^1$

素因数の和:2095

約数の個数: 32

約数和(自身を含む): 43112160

約数和(自身を除く): 21977384

約数列:

[1, 2, 4, 8, 13, 26, 52, 103, 104, 206, 412, 824, 1339, 1973, 2678, 3946, 5356, 7892, 10712, 15784, 25649, 51298, 102596, 203219, 205192, 406438, 812876, 1625752, 2641847, 5283694, 10567388, 21134776]

約数ペア:

[(1, 21134776), (2, 10567388), (4, 5283694), (8, 2641847), (13, 1625752), (26, 812876), (52, 406438), (103, 205192), (104, 203219), (206, 102596), (412, 51298), (824, 25649), (1339, 15784), (1973, 10712), (2678, 7892), (3946, 5356)]