21315206

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{2207}}^1$

素因数の和:2659

約数の個数: 16

約数和(自身を含む): 34974720

約数和(自身を除く): 13659514

約数列:

[1, 2, 11, 22, 439, 878, 2207, 4414, 4829, 9658, 24277, 48554, 968873, 1937746, 10657603, 21315206]

約数ペア:

[(1, 21315206), (2, 10657603), (11, 1937746), (22, 968873), (439, 48554), (878, 24277), (2207, 9658), (4414, 4829)]