21537012

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{256393}}^1$

素因数の和:256407

約数の個数: 24

約数和(自身を含む): 57432256

約数和(自身を除く): 35895244

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 256393, 512786, 769179, 1025572, 1538358, 1794751, 3076716, 3589502, 5384253, 7179004, 10768506, 21537012]

約数ペア:

[(1, 21537012), (2, 10768506), (3, 7179004), (4, 5384253), (6, 3589502), (7, 3076716), (12, 1794751), (14, 1538358), (21, 1025572), (28, 769179), (42, 512786), (84, 256393)]