21292576

素因数分解:

$2^5\times {\mathrm{139}}^1\times {\mathrm{4787}}^1$

素因数の和:4936

約数の個数: 24

約数和(自身を含む): 42230160

約数和(自身を除く): 20937584

約数列:

[1, 2, 4, 8, 16, 32, 139, 278, 556, 1112, 2224, 4448, 4787, 9574, 19148, 38296, 76592, 153184, 665393, 1330786, 2661572, 5323144, 10646288, 21292576]

約数ペア:

[(1, 21292576), (2, 10646288), (4, 5323144), (8, 2661572), (16, 1330786), (32, 665393), (139, 153184), (278, 76592), (556, 38296), (1112, 19148), (2224, 9574), (4448, 4787)]