21266568

素因数分解:

$2^3\times 3^2\times {\mathrm{53}}^1\times {\mathrm{5573}}^1$

素因数の和:5638

約数の個数: 48

約数和(自身を含む): 58694220

約数和(自身を除く): 37427652

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 53, 72, 106, 159, 212, 318, 424, 477, 636, 954, 1272, 1908, 3816, 5573, 11146, 16719, 22292, 33438, 44584, 50157, 66876, 100314, 133752, 200628, 295369, 401256, 590738, 886107, 1181476, 1772214, 2362952, 2658321, 3544428, 5316642, 7088856, 10633284, 21266568]

約数ペア:

[(1, 21266568), (2, 10633284), (3, 7088856), (4, 5316642), (6, 3544428), (8, 2658321), (9, 2362952), (12, 1772214), (18, 1181476), (24, 886107), (36, 590738), (53, 401256), (72, 295369), (106, 200628), (159, 133752), (212, 100314), (318, 66876), (424, 50157), (477, 44584), (636, 33438), (954, 22292), (1272, 16719), (1908, 11146), (3816, 5573)]