21007644

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{250091}}^1$

素因数の和:250105

約数の個数: 24

約数和(自身を含む): 56020608

約数和(自身を除く): 35012964

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 250091, 500182, 750273, 1000364, 1500546, 1750637, 3001092, 3501274, 5251911, 7002548, 10503822, 21007644]

約数ペア:

[(1, 21007644), (2, 10503822), (3, 7002548), (4, 5251911), (6, 3501274), (7, 3001092), (12, 1750637), (14, 1500546), (21, 1000364), (28, 750273), (42, 500182), (84, 250091)]