21139692

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{251663}}^1$

素因数の和:251677

約数の個数: 24

約数和(自身を含む): 56372736

約数和(自身を除く): 35233044

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 251663, 503326, 754989, 1006652, 1509978, 1761641, 3019956, 3523282, 5284923, 7046564, 10569846, 21139692]

約数ペア:

[(1, 21139692), (2, 10569846), (3, 7046564), (4, 5284923), (6, 3523282), (7, 3019956), (12, 1761641), (14, 1509978), (21, 1006652), (28, 754989), (42, 503326), (84, 251663)]