21131024

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{45541}}^1$

素因数の和:45578

約数の個数: 20

約数和(自身を含む): 42354060

約数和(自身を除く): 21223036

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 45541, 91082, 182164, 364328, 728656, 1320689, 2641378, 5282756, 10565512, 21131024]

約数ペア:

[(1, 21131024), (2, 10565512), (4, 5282756), (8, 2641378), (16, 1320689), (29, 728656), (58, 364328), (116, 182164), (232, 91082), (464, 45541)]