21746826

素因数分解:

$2^1\times 3^3\times {\mathrm{257}}^1\times {\mathrm{1567}}^1$

素因数の和:1835

約数の個数: 32

約数和(自身を含む): 48545280

約数和(自身を除く): 26798454

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 257, 514, 771, 1542, 1567, 2313, 3134, 4626, 4701, 6939, 9402, 13878, 14103, 28206, 42309, 84618, 402719, 805438, 1208157, 2416314, 3624471, 7248942, 10873413, 21746826]

約数ペア:

[(1, 21746826), (2, 10873413), (3, 7248942), (6, 3624471), (9, 2416314), (18, 1208157), (27, 805438), (54, 402719), (257, 84618), (514, 42309), (771, 28206), (1542, 14103), (1567, 13878), (2313, 9402), (3134, 6939), (4626, 4701)]