21049524

素因数分解:

$2^2\times 3^3\times {\mathrm{67}}^1\times {\mathrm{2909}}^1$

素因数の和:2989

約数の個数: 48

約数和(自身を含む): 55406400

約数和(自身を除く): 34356876

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 67, 108, 134, 201, 268, 402, 603, 804, 1206, 1809, 2412, 2909, 3618, 5818, 7236, 8727, 11636, 17454, 26181, 34908, 52362, 78543, 104724, 157086, 194903, 314172, 389806, 584709, 779612, 1169418, 1754127, 2338836, 3508254, 5262381, 7016508, 10524762, 21049524]

約数ペア:

[(1, 21049524), (2, 10524762), (3, 7016508), (4, 5262381), (6, 3508254), (9, 2338836), (12, 1754127), (18, 1169418), (27, 779612), (36, 584709), (54, 389806), (67, 314172), (108, 194903), (134, 157086), (201, 104724), (268, 78543), (402, 52362), (603, 34908), (804, 26181), (1206, 17454), (1809, 11636), (2412, 8727), (2909, 7236), (3618, 5818)]