21990592

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{26431}}^1$

素因数の和:26456

約数の個数: 28

約数和(自身を含む): 46996096

約数和(自身を除く): 25005504

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 26431, 52862, 105724, 211448, 343603, 422896, 687206, 845792, 1374412, 1691584, 2748824, 5497648, 10995296, 21990592]

約数ペア:

[(1, 21990592), (2, 10995296), (4, 5497648), (8, 2748824), (13, 1691584), (16, 1374412), (26, 845792), (32, 687206), (52, 422896), (64, 343603), (104, 211448), (208, 105724), (416, 52862), (832, 26431)]