21379098

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{701}}^1$

素因数の和:759

約数の個数: 64

約数和(自身を含む): 50948352

約数和(自身を除く): 29569254

約数列:

[1, 2, 3, 6, 13, 17, 23, 26, 34, 39, 46, 51, 69, 78, 102, 138, 221, 299, 391, 442, 598, 663, 701, 782, 897, 1173, 1326, 1402, 1794, 2103, 2346, 4206, 5083, 9113, 10166, 11917, 15249, 16123, 18226, 23834, 27339, 30498, 32246, 35751, 48369, 54678, 71502, 96738, 154921, 209599, 274091, 309842, 419198, 464763, 548182, 628797, 822273, 929526, 1257594, 1644546, 3563183, 7126366, 10689549, 21379098]

約数ペア:

[(1, 21379098), (2, 10689549), (3, 7126366), (6, 3563183), (13, 1644546), (17, 1257594), (23, 929526), (26, 822273), (34, 628797), (39, 548182), (46, 464763), (51, 419198), (69, 309842), (78, 274091), (102, 209599), (138, 154921), (221, 96738), (299, 71502), (391, 54678), (442, 48369), (598, 35751), (663, 32246), (701, 30498), (782, 27339), (897, 23834), (1173, 18226), (1326, 16123), (1402, 15249), (1794, 11917), (2103, 10166), (2346, 9113), (4206, 5083)]