21132272

素因数分解:

$2^4\times 7^1\times {\mathrm{188681}}^1$

素因数の和:188696

約数の個数: 20

約数和(自身を含む): 46793136

約数和(自身を除く): 25660864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 188681, 377362, 754724, 1320767, 1509448, 2641534, 3018896, 5283068, 10566136, 21132272]

約数ペア:

[(1, 21132272), (2, 10566136), (4, 5283068), (7, 3018896), (8, 2641534), (14, 1509448), (16, 1320767), (28, 754724), (56, 377362), (112, 188681)]