21236098

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{1997}}^1$

素因数の和:2421

約数の個数: 16

約数和(自身を含む): 34405560

約数和(自身を除く): 13169462

約数列:

[1, 2, 13, 26, 409, 818, 1997, 3994, 5317, 10634, 25961, 51922, 816773, 1633546, 10618049, 21236098]

約数ペア:

[(1, 21236098), (2, 10618049), (13, 1633546), (26, 816773), (409, 51922), (818, 25961), (1997, 10634), (3994, 5317)]