21325252

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{1033}}^1$

素因数の和:1447

約数の個数: 24

約数和(自身を含む): 40330136

約数和(自身を除く): 19004884

約数列:

[1, 2, 4, 13, 26, 52, 397, 794, 1033, 1588, 2066, 4132, 5161, 10322, 13429, 20644, 26858, 53716, 410101, 820202, 1640404, 5331313, 10662626, 21325252]

約数ペア:

[(1, 21325252), (2, 10662626), (4, 5331313), (13, 1640404), (26, 820202), (52, 410101), (397, 53716), (794, 26858), (1033, 20644), (1588, 13429), (2066, 10322), (4132, 5161)]