21172914

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{18671}}^1$

素因数の和:18692

約数の個数: 40

約数和(自身を含む): 54223488

約数和(自身を除く): 33050574

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 18671, 37342, 56013, 112026, 130697, 168039, 261394, 336078, 392091, 504117, 784182, 1008234, 1176273, 1512351, 2352546, 3024702, 3528819, 7057638, 10586457, 21172914]

約数ペア:

[(1, 21172914), (2, 10586457), (3, 7057638), (6, 3528819), (7, 3024702), (9, 2352546), (14, 1512351), (18, 1176273), (21, 1008234), (27, 784182), (42, 504117), (54, 392091), (63, 336078), (81, 261394), (126, 168039), (162, 130697), (189, 112026), (378, 56013), (567, 37342), (1134, 18671)]