21624155

素因数分解:

$5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{1949}}^1$

素因数の和:2278

約数の個数: 16

約数和(自身を含む): 29764800

約数和(自身を除く): 8140645

約数列:

[1, 5, 7, 35, 317, 1585, 1949, 2219, 9745, 11095, 13643, 68215, 617833, 3089165, 4324831, 21624155]

約数ペア:

[(1, 21624155), (5, 4324831), (7, 3089165), (35, 617833), (317, 68215), (1585, 13643), (1949, 11095), (2219, 9745)]