21465587

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4057}}^1$

素因数の和:4118

約数の個数: 16

約数和(自身を含む): 25906272

約数和(自身を除く): 4440685

約数列:

[1, 11, 13, 37, 143, 407, 481, 4057, 5291, 44627, 52741, 150109, 580151, 1651199, 1951417, 21465587]

約数ペア:

[(1, 21465587), (11, 1951417), (13, 1651199), (37, 580151), (143, 150109), (407, 52741), (481, 44627), (4057, 5291)]