21529342

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{1031}}^1$

素因数の和:1283

約数の個数: 16

約数和(自身を含む): 33102432

約数和(自身を除く): 11573090

約数列:

[1, 2, 53, 106, 197, 394, 1031, 2062, 10441, 20882, 54643, 109286, 203107, 406214, 10764671, 21529342]

約数ペア:

[(1, 21529342), (2, 10764671), (53, 406214), (106, 203107), (197, 109286), (394, 54643), (1031, 20882), (2062, 10441)]