21000304828

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{6217}}^1\times {\mathrm{27241}}^1$

素因数の和:33493

約数の個数: 24

約数和(自身を含む): 37943529344

約数和(自身を除く): 16943224516

約数列:

[1, 2, 4, 31, 62, 124, 6217, 12434, 24868, 27241, 54482, 108964, 192727, 385454, 770908, 844471, 1688942, 3377884, 169357297, 338714594, 677429188, 5250076207, 10500152414, 21000304828]

約数ペア:

[(1, 21000304828), (2, 10500152414), (4, 5250076207), (31, 677429188), (62, 338714594), (124, 169357297), (6217, 3377884), (12434, 1688942), (24868, 844471), (27241, 770908), (54482, 385454), (108964, 192727)]