21424336

素因数分解:

$2^4\times {\mathrm{823}}^1\times {\mathrm{1627}}^1$

素因数の和:2458

約数の個数: 20

約数和(自身を含む): 41585632

約数和(自身を除く): 20161296

約数列:

[1, 2, 4, 8, 16, 823, 1627, 1646, 3254, 3292, 6508, 6584, 13016, 13168, 26032, 1339021, 2678042, 5356084, 10712168, 21424336]

約数ペア:

[(1, 21424336), (2, 10712168), (4, 5356084), (8, 2678042), (16, 1339021), (823, 26032), (1627, 13168), (1646, 13016), (3254, 6584), (3292, 6508)]