21894776

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{809}}^1$

素因数の和:1031

約数の個数: 32

約数和(自身を含む): 43740000

約数和(自身を除く): 21845224

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 199, 398, 796, 809, 1592, 1618, 3236, 3383, 6472, 6766, 13532, 13753, 27064, 27506, 55012, 110024, 160991, 321982, 643964, 1287928, 2736847, 5473694, 10947388, 21894776]

約数ペア:

[(1, 21894776), (2, 10947388), (4, 5473694), (8, 2736847), (17, 1287928), (34, 643964), (68, 321982), (136, 160991), (199, 110024), (398, 55012), (796, 27506), (809, 27064), (1592, 13753), (1618, 13532), (3236, 6766), (3383, 6472)]