21637336

素因数分解:

$2^3\times 7^1\times {\mathrm{386381}}^1$

素因数の和:386394

約数の個数: 16

約数和(自身を含む): 46365840

約数和(自身を除く): 24728504

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 386381, 772762, 1545524, 2704667, 3091048, 5409334, 10818668, 21637336]

約数ペア:

[(1, 21637336), (2, 10818668), (4, 5409334), (7, 3091048), (8, 2704667), (14, 1545524), (28, 772762), (56, 386381)]