21998144

素因数分解:

$2^6\times 7^1\times {\mathrm{49103}}^1$

素因数の和:49122

約数の個数: 28

約数和(自身を含む): 49889664

約数和(自身を除く): 27891520

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 49103, 98206, 196412, 343721, 392824, 687442, 785648, 1374884, 1571296, 2749768, 3142592, 5499536, 10999072, 21998144]

約数ペア:

[(1, 21998144), (2, 10999072), (4, 5499536), (7, 3142592), (8, 2749768), (14, 1571296), (16, 1374884), (28, 785648), (32, 687442), (56, 392824), (64, 343721), (112, 196412), (224, 98206), (448, 49103)]