21990324

素因数分解:

$2^2\times 3^1\times {\mathrm{769}}^1\times {\mathrm{2383}}^1$

素因数の和:3159

約数の個数: 24

約数和(自身を含む): 51399040

約数和(自身を除く): 29408716

約数列:

[1, 2, 3, 4, 6, 12, 769, 1538, 2307, 2383, 3076, 4614, 4766, 7149, 9228, 9532, 14298, 28596, 1832527, 3665054, 5497581, 7330108, 10995162, 21990324]

約数ペア:

[(1, 21990324), (2, 10995162), (3, 7330108), (4, 5497581), (6, 3665054), (12, 1832527), (769, 28596), (1538, 14298), (2307, 9532), (2383, 9228), (3076, 7149), (4614, 4766)]