21776272

素因数分解:

$2^4\times 7^1\times {\mathrm{194431}}^1$

素因数の和:194446

約数の個数: 20

約数和(自身を含む): 48219136

約数和(自身を除く): 26442864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 194431, 388862, 777724, 1361017, 1555448, 2722034, 3110896, 5444068, 10888136, 21776272]

約数ペア:

[(1, 21776272), (2, 10888136), (4, 5444068), (7, 3110896), (8, 2722034), (14, 1555448), (16, 1361017), (28, 777724), (56, 388862), (112, 194431)]