21995834

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{42463}}^1$

素因数の和:42509

約数の個数: 16

約数和(自身を含む): 38727168

約数和(自身を除く): 16731334

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 42463, 84926, 297241, 594482, 1571131, 3142262, 10997917, 21995834]

約数ペア:

[(1, 21995834), (2, 10997917), (7, 3142262), (14, 1571131), (37, 594482), (74, 297241), (259, 84926), (518, 42463)]