21481026

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{511453}}^1$

素因数の和:511465

約数の個数: 16

約数和(自身を含む): 49099584

約数和(自身を除く): 27618558

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 511453, 1022906, 1534359, 3068718, 3580171, 7160342, 10740513, 21481026]

約数ペア:

[(1, 21481026), (2, 10740513), (3, 7160342), (6, 3580171), (7, 3068718), (14, 1534359), (21, 1022906), (42, 511453)]