21863244

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{521}}^1$

素因数の和:810

約数の個数: 48

約数和(自身を含む): 55248480

約数和(自身を除く): 33385236

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 269, 521, 538, 807, 1042, 1076, 1563, 1614, 2084, 3126, 3228, 3497, 6252, 6773, 6994, 10491, 13546, 13988, 20319, 20982, 27092, 40638, 41964, 81276, 140149, 280298, 420447, 560596, 840894, 1681788, 1821937, 3643874, 5465811, 7287748, 10931622, 21863244]

約数ペア:

[(1, 21863244), (2, 10931622), (3, 7287748), (4, 5465811), (6, 3643874), (12, 1821937), (13, 1681788), (26, 840894), (39, 560596), (52, 420447), (78, 280298), (156, 140149), (269, 81276), (521, 41964), (538, 40638), (807, 27092), (1042, 20982), (1076, 20319), (1563, 13988), (1614, 13546), (2084, 10491), (3126, 6994), (3228, 6773), (3497, 6252)]