21685692

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{4871}}^1$

素因数の和:4938

約数の個数: 48

約数和(自身を含む): 58931712

約数和(自身を除く): 37246020

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 53, 84, 106, 159, 212, 318, 371, 636, 742, 1113, 1484, 2226, 4452, 4871, 9742, 14613, 19484, 29226, 34097, 58452, 68194, 102291, 136388, 204582, 258163, 409164, 516326, 774489, 1032652, 1548978, 1807141, 3097956, 3614282, 5421423, 7228564, 10842846, 21685692]

約数ペア:

[(1, 21685692), (2, 10842846), (3, 7228564), (4, 5421423), (6, 3614282), (7, 3097956), (12, 1807141), (14, 1548978), (21, 1032652), (28, 774489), (42, 516326), (53, 409164), (84, 258163), (106, 204582), (159, 136388), (212, 102291), (318, 68194), (371, 58452), (636, 34097), (742, 29226), (1113, 19484), (1484, 14613), (2226, 9742), (4452, 4871)]