21969604

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{1229}}^1$

素因数の和:1383

約数の個数: 24

約数和(自身を含む): 39778200

約数和(自身を除く): 17808596

約数列:

[1, 2, 4, 41, 82, 109, 164, 218, 436, 1229, 2458, 4469, 4916, 8938, 17876, 50389, 100778, 133961, 201556, 267922, 535844, 5492401, 10984802, 21969604]

約数ペア:

[(1, 21969604), (2, 10984802), (4, 5492401), (41, 535844), (82, 267922), (109, 201556), (164, 133961), (218, 100778), (436, 50389), (1229, 17876), (2458, 8938), (4469, 4916)]