21852004

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{1523}}^1$

素因数の和:1755

約数の個数: 24

約数和(自身を含む): 40709088

約数和(自身を除く): 18857084

約数列:

[1, 2, 4, 17, 34, 68, 211, 422, 844, 1523, 3046, 3587, 6092, 7174, 14348, 25891, 51782, 103564, 321353, 642706, 1285412, 5463001, 10926002, 21852004]

約数ペア:

[(1, 21852004), (2, 10926002), (4, 5463001), (17, 1285412), (34, 642706), (68, 321353), (211, 103564), (422, 51782), (844, 25891), (1523, 14348), (3046, 7174), (3587, 6092)]