21148484

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{14251}}^1$

素因数の和:14315

約数の個数: 24

約数和(自身を含む): 43098048

約数和(自身を除く): 21949564

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 14251, 28502, 57004, 99757, 199514, 399028, 755303, 1510606, 3021212, 5287121, 10574242, 21148484]

約数ペア:

[(1, 21148484), (2, 10574242), (4, 5287121), (7, 3021212), (14, 1510606), (28, 755303), (53, 399028), (106, 199514), (212, 99757), (371, 57004), (742, 28502), (1484, 14251)]