21272006

素因数分解:

$2^1\times 7^1\times {\mathrm{839}}^1\times {\mathrm{1811}}^1$

素因数の和:2659

約数の個数: 16

約数和(自身を含む): 36529920

約数和(自身を除く): 15257914

約数列:

[1, 2, 7, 14, 839, 1678, 1811, 3622, 5873, 11746, 12677, 25354, 1519429, 3038858, 10636003, 21272006]

約数ペア:

[(1, 21272006), (2, 10636003), (7, 3038858), (14, 1519429), (839, 25354), (1678, 12677), (1811, 11746), (3622, 5873)]