21186564

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{811}}^1$

素因数の和:1136

約数の個数: 48

約数和(自身を含む): 56749056

約数和(自身を除く): 35562492

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 311, 622, 811, 933, 1244, 1622, 1866, 2177, 2433, 3244, 3732, 4354, 4866, 5677, 6531, 8708, 9732, 11354, 13062, 17031, 22708, 26124, 34062, 68124, 252221, 504442, 756663, 1008884, 1513326, 1765547, 3026652, 3531094, 5296641, 7062188, 10593282, 21186564]

約数ペア:

[(1, 21186564), (2, 10593282), (3, 7062188), (4, 5296641), (6, 3531094), (7, 3026652), (12, 1765547), (14, 1513326), (21, 1008884), (28, 756663), (42, 504442), (84, 252221), (311, 68124), (622, 34062), (811, 26124), (933, 22708), (1244, 17031), (1622, 13062), (1866, 11354), (2177, 9732), (2433, 8708), (3244, 6531), (3732, 5677), (4354, 4866)]