21790472

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{1283}}^1$

素因数の和:1493

約数の個数: 32

約数和(自身を含む): 44837280

約数和(自身を除く): 23046808

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 193, 386, 772, 1283, 1544, 2123, 2566, 4246, 5132, 8492, 10264, 14113, 16984, 28226, 56452, 112904, 247619, 495238, 990476, 1980952, 2723809, 5447618, 10895236, 21790472]

約数ペア:

[(1, 21790472), (2, 10895236), (4, 5447618), (8, 2723809), (11, 1980952), (22, 990476), (44, 495238), (88, 247619), (193, 112904), (386, 56452), (772, 28226), (1283, 16984), (1544, 14113), (2123, 10264), (2566, 8492), (4246, 5132)]