21052792

素因数分解:

$2^3\times {\mathrm{683}}^1\times {\mathrm{3853}}^1$

素因数の和:4542

約数の個数: 16

約数和(自身を含む): 39542040

約数和(自身を除く): 18489248

約数列:

[1, 2, 4, 8, 683, 1366, 2732, 3853, 5464, 7706, 15412, 30824, 2631599, 5263198, 10526396, 21052792]

約数ペア:

[(1, 21052792), (2, 10526396), (4, 5263198), (8, 2631599), (683, 30824), (1366, 15412), (2732, 7706), (3853, 5464)]