21134501416

素因数分解:

$2^3\times 7^1\times {\mathrm{2791}}^1\times {\mathrm{135221}}^1$

素因数の和:138025

約数の個数: 32

約数和(自身を含む): 45304778880

約数和(自身を除く): 24170277464

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 2791, 5582, 11164, 19537, 22328, 39074, 78148, 135221, 156296, 270442, 540884, 946547, 1081768, 1893094, 3786188, 7572376, 377401811, 754803622, 1509607244, 2641812677, 3019214488, 5283625354, 10567250708, 21134501416]

約数ペア:

[(1, 21134501416), (2, 10567250708), (4, 5283625354), (7, 3019214488), (8, 2641812677), (14, 1509607244), (28, 754803622), (56, 377401811), (2791, 7572376), (5582, 3786188), (11164, 1893094), (19537, 1081768), (22328, 946547), (39074, 540884), (78148, 270442), (135221, 156296)]