21419648

素因数分解:

$2^7\times {\mathrm{167341}}^1$

素因数の和:167355

約数の個数: 16

約数和(自身を含む): 42672210

約数和(自身を除く): 21252562

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 167341, 334682, 669364, 1338728, 2677456, 5354912, 10709824, 21419648]

約数ペア:

[(1, 21419648), (2, 10709824), (4, 5354912), (8, 2677456), (16, 1338728), (32, 669364), (64, 334682), (128, 167341)]