21761744

素因数分解:

$2^4\times {\mathrm{353}}^1\times {\mathrm{3853}}^1$

素因数の和:4214

約数の個数: 20

約数和(自身を含む): 42293796

約数和(自身を除く): 20532052

約数列:

[1, 2, 4, 8, 16, 353, 706, 1412, 2824, 3853, 5648, 7706, 15412, 30824, 61648, 1360109, 2720218, 5440436, 10880872, 21761744]

約数ペア:

[(1, 21761744), (2, 10880872), (4, 5440436), (8, 2720218), (16, 1360109), (353, 61648), (706, 30824), (1412, 15412), (2824, 7706), (3853, 5648)]