21056752

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{28001}}^1$

素因数の和:28056

約数の個数: 20

約数和(自身を含む): 41666976

約数和(自身を除く): 20610224

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 28001, 56002, 112004, 224008, 448016, 1316047, 2632094, 5264188, 10528376, 21056752]

約数ペア:

[(1, 21056752), (2, 10528376), (4, 5264188), (8, 2632094), (16, 1316047), (47, 448016), (94, 224008), (188, 112004), (376, 56002), (752, 28001)]