21822808

素因数分解:

$2^3\times 7^1\times {\mathrm{181}}^1\times {\mathrm{2153}}^1$

素因数の和:2347

約数の個数: 32

約数和(自身を含む): 47043360

約数和(自身を除く): 25220552

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 181, 362, 724, 1267, 1448, 2153, 2534, 4306, 5068, 8612, 10136, 15071, 17224, 30142, 60284, 120568, 389693, 779386, 1558772, 2727851, 3117544, 5455702, 10911404, 21822808]

約数ペア:

[(1, 21822808), (2, 10911404), (4, 5455702), (7, 3117544), (8, 2727851), (14, 1558772), (28, 779386), (56, 389693), (181, 120568), (362, 60284), (724, 30142), (1267, 17224), (1448, 15071), (2153, 10136), (2534, 8612), (4306, 5068)]