21068584

素因数分解:

$2^3\times {\mathrm{1237}}^1\times {\mathrm{2129}}^1$

素因数の和:3372

約数の個数: 16

約数和(自身を含む): 39554100

約数和(自身を除く): 18485516

約数列:

[1, 2, 4, 8, 1237, 2129, 2474, 4258, 4948, 8516, 9896, 17032, 2633573, 5267146, 10534292, 21068584]

約数ペア:

[(1, 21068584), (2, 10534292), (4, 5267146), (8, 2633573), (1237, 17032), (2129, 9896), (2474, 8516), (4258, 4948)]