21665159697

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{3487069}}^1$

素因数の和:3487200

約数の個数: 16

約数和(自身を含む): 30686216000

約数和(自身を除く): 9021056303

約数列:

[1, 3, 19, 57, 109, 327, 2071, 6213, 3487069, 10461207, 66254311, 198762933, 380090521, 1140271563, 7221719899, 21665159697]

約数ペア:

[(1, 21665159697), (3, 7221719899), (19, 1140271563), (57, 380090521), (109, 198762933), (327, 66254311), (2071, 10461207), (6213, 3487069)]