21854216

素因数分解:

$2^3\times {\mathrm{709}}^1\times {\mathrm{3853}}^1$

素因数の和:4568

約数の個数: 16

約数和(自身を含む): 41045100

約数和(自身を除く): 19190884

約数列:

[1, 2, 4, 8, 709, 1418, 2836, 3853, 5672, 7706, 15412, 30824, 2731777, 5463554, 10927108, 21854216]

約数ペア:

[(1, 21854216), (2, 10927108), (4, 5463554), (8, 2731777), (709, 30824), (1418, 15412), (2836, 7706), (3853, 5672)]