21952568

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{797}}^1$

素因数の和:1127

約数の個数: 32

約数和(自身を含む): 45102960

約数和(自身を除く): 23150392

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 313, 626, 797, 1252, 1594, 2504, 3188, 3443, 6376, 6886, 8767, 13772, 17534, 27544, 35068, 70136, 249461, 498922, 997844, 1995688, 2744071, 5488142, 10976284, 21952568]

約数ペア:

[(1, 21952568), (2, 10976284), (4, 5488142), (8, 2744071), (11, 1995688), (22, 997844), (44, 498922), (88, 249461), (313, 70136), (626, 35068), (797, 27544), (1252, 17534), (1594, 13772), (2504, 8767), (3188, 6886), (3443, 6376)]