21936176

素因数分解:

$2^4\times {\mathrm{431}}^1\times {\mathrm{3181}}^1$

素因数の和:3620

約数の個数: 20

約数和(自身を含む): 42613344

約数和(自身を除く): 20677168

約数列:

[1, 2, 4, 8, 16, 431, 862, 1724, 3181, 3448, 6362, 6896, 12724, 25448, 50896, 1371011, 2742022, 5484044, 10968088, 21936176]

約数ペア:

[(1, 21936176), (2, 10968088), (4, 5484044), (8, 2742022), (16, 1371011), (431, 50896), (862, 25448), (1724, 12724), (3181, 6896), (3448, 6362)]