21258876

素因数分解:

$2^2\times 3^1\times {\mathrm{829}}^1\times {\mathrm{2137}}^1$

素因数の和:2973

約数の個数: 24

約数和(自身を含む): 49687120

約数和(自身を除く): 28428244

約数列:

[1, 2, 3, 4, 6, 12, 829, 1658, 2137, 2487, 3316, 4274, 4974, 6411, 8548, 9948, 12822, 25644, 1771573, 3543146, 5314719, 7086292, 10629438, 21258876]

約数ペア:

[(1, 21258876), (2, 10629438), (3, 7086292), (4, 5314719), (6, 3543146), (12, 1771573), (829, 25644), (1658, 12822), (2137, 9948), (2487, 8548), (3316, 6411), (4274, 4974)]