21167704185

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2111}}^1\times {\mathrm{12613}}^1$

素因数の和:14785

約数の個数: 32

約数和(自身を含む): 34526435328

約数和(自身を除く): 13358731143

約数列:

[1, 3, 5, 15, 53, 159, 265, 795, 2111, 6333, 10555, 12613, 31665, 37839, 63065, 111883, 189195, 335649, 559415, 668489, 1678245, 2005467, 3342445, 10027335, 26626043, 79878129, 133130215, 399390645, 1411180279, 4233540837, 7055901395, 21167704185]

約数ペア:

[(1, 21167704185), (3, 7055901395), (5, 4233540837), (15, 1411180279), (53, 399390645), (159, 133130215), (265, 79878129), (795, 26626043), (2111, 10027335), (6333, 3342445), (10555, 2005467), (12613, 1678245), (31665, 668489), (37839, 559415), (63065, 335649), (111883, 189195)]