21182812

素因数分解:

$2^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{4373}}^1$

素因数の和:4557

約数の個数: 24

約数和(自身を含む): 42620256

約数和(自身を除く): 21437444

約数列:

[1, 2, 4, 7, 14, 28, 173, 346, 692, 1211, 2422, 4373, 4844, 8746, 17492, 30611, 61222, 122444, 756529, 1513058, 3026116, 5295703, 10591406, 21182812]

約数ペア:

[(1, 21182812), (2, 10591406), (4, 5295703), (7, 3026116), (14, 1513058), (28, 756529), (173, 122444), (346, 61222), (692, 30611), (1211, 17492), (2422, 8746), (4373, 4844)]