21027462196

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{404374273}}^1$

素因数の和:404374290

約数の個数: 12

約数和(自身を含む): 39628678852

約数和(自身を除く): 18601216656

約数列:

[1, 2, 4, 13, 26, 52, 404374273, 808748546, 1617497092, 5256865549, 10513731098, 21027462196]

約数ペア:

[(1, 21027462196), (2, 10513731098), (4, 5256865549), (13, 1617497092), (26, 808748546), (52, 404374273)]