21545076

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{256489}}^1$

素因数の和:256503

約数の個数: 24

約数和(自身を含む): 57453760

約数和(自身を除く): 35908684

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 256489, 512978, 769467, 1025956, 1538934, 1795423, 3077868, 3590846, 5386269, 7181692, 10772538, 21545076]

約数ペア:

[(1, 21545076), (2, 10772538), (3, 7181692), (4, 5386269), (6, 3590846), (7, 3077868), (12, 1795423), (14, 1538934), (21, 1025956), (28, 769467), (42, 512978), (84, 256489)]