21042768

素因数分解:

$2^4\times 3^1\times {\mathrm{438391}}^1$

素因数の和:438402

約数の個数: 20

約数和(自身を含む): 54360608

約数和(自身を除く): 33317840

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 438391, 876782, 1315173, 1753564, 2630346, 3507128, 5260692, 7014256, 10521384, 21042768]

約数ペア:

[(1, 21042768), (2, 10521384), (3, 7014256), (4, 5260692), (6, 3507128), (8, 2630346), (12, 1753564), (16, 1315173), (24, 876782), (48, 438391)]