21742672

素因数分解:

$2^4\times 7^2\times {\mathrm{27733}}^1$

素因数の和:27755

約数の個数: 30

約数和(自身を含む): 49005978

約数和(自身を除く): 27263306

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 27733, 55466, 110932, 194131, 221864, 388262, 443728, 776524, 1358917, 1553048, 2717834, 3106096, 5435668, 10871336, 21742672]

約数ペア:

[(1, 21742672), (2, 10871336), (4, 5435668), (7, 3106096), (8, 2717834), (14, 1553048), (16, 1358917), (28, 776524), (49, 443728), (56, 388262), (98, 221864), (112, 194131), (196, 110932), (392, 55466), (784, 27733)]