21220384

素因数分解:

$2^5\times {\mathrm{271}}^1\times {\mathrm{2447}}^1$

素因数の和:2728

約数の個数: 24

約数和(自身を含む): 41948928

約数和(自身を除く): 20728544

約数列:

[1, 2, 4, 8, 16, 32, 271, 542, 1084, 2168, 2447, 4336, 4894, 8672, 9788, 19576, 39152, 78304, 663137, 1326274, 2652548, 5305096, 10610192, 21220384]

約数ペア:

[(1, 21220384), (2, 10610192), (4, 5305096), (8, 2652548), (16, 1326274), (32, 663137), (271, 78304), (542, 39152), (1084, 19576), (2168, 9788), (2447, 8672), (4336, 4894)]