21376746

素因数分解:

$2^1\times 3^2\times {\mathrm{257}}^1\times {\mathrm{4621}}^1$

素因数の和:4886

約数の個数: 24

約数和(自身を含む): 46506564

約数和(自身を除く): 25129818

約数列:

[1, 2, 3, 6, 9, 18, 257, 514, 771, 1542, 2313, 4621, 4626, 9242, 13863, 27726, 41589, 83178, 1187597, 2375194, 3562791, 7125582, 10688373, 21376746]

約数ペア:

[(1, 21376746), (2, 10688373), (3, 7125582), (6, 3562791), (9, 2375194), (18, 1187597), (257, 83178), (514, 41589), (771, 27726), (1542, 13863), (2313, 9242), (4621, 4626)]