21169422

素因数分解:

$2^1\times 3^2\times {\mathrm{139}}^1\times {\mathrm{8461}}^1$

素因数の和:8608

約数の個数: 24

約数和(自身を含む): 46202520

約数和(自身を除く): 25033098

約数列:

[1, 2, 3, 6, 9, 18, 139, 278, 417, 834, 1251, 2502, 8461, 16922, 25383, 50766, 76149, 152298, 1176079, 2352158, 3528237, 7056474, 10584711, 21169422]

約数ペア:

[(1, 21169422), (2, 10584711), (3, 7056474), (6, 3528237), (9, 2352158), (18, 1176079), (139, 152298), (278, 76149), (417, 50766), (834, 25383), (1251, 16922), (2502, 8461)]