21271728

素因数分解:

$2^4\times 3^1\times {\mathrm{443161}}^1$

素因数の和:443172

約数の個数: 20

約数和(自身を含む): 54952088

約数和(自身を除く): 33680360

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 443161, 886322, 1329483, 1772644, 2658966, 3545288, 5317932, 7090576, 10635864, 21271728]

約数ペア:

[(1, 21271728), (2, 10635864), (3, 7090576), (4, 5317932), (6, 3545288), (8, 2658966), (12, 1772644), (16, 1329483), (24, 886322), (48, 443161)]