21700146

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{278207}}^1$

素因数の和:278225

約数の個数: 16

約数和(自身を含む): 46738944

約数和(自身を除く): 25038798

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 278207, 556414, 834621, 1669242, 3616691, 7233382, 10850073, 21700146]

約数ペア:

[(1, 21700146), (2, 10850073), (3, 7233382), (6, 3616691), (13, 1669242), (26, 834621), (39, 556414), (78, 278207)]