21190144

素因数分解:

$2^9\times {\mathrm{41387}}^1$

素因数の和:41405

約数の個数: 20

約数和(自身を含む): 42339924

約数和(自身を除く): 21149780

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 41387, 82774, 165548, 331096, 662192, 1324384, 2648768, 5297536, 10595072, 21190144]

約数ペア:

[(1, 21190144), (2, 10595072), (4, 5297536), (8, 2648768), (16, 1324384), (32, 662192), (64, 331096), (128, 165548), (256, 82774), (512, 41387)]