21083478

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1973}}^1$

素因数の和:2128

約数の個数: 32

約数和(自身を含む): 45765216

約数和(自身を除く): 24681738

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 137, 274, 411, 822, 1781, 1973, 3562, 3946, 5343, 5919, 10686, 11838, 25649, 51298, 76947, 153894, 270301, 540602, 810903, 1621806, 3513913, 7027826, 10541739, 21083478]

約数ペア:

[(1, 21083478), (2, 10541739), (3, 7027826), (6, 3513913), (13, 1621806), (26, 810903), (39, 540602), (78, 270301), (137, 153894), (274, 76947), (411, 51298), (822, 25649), (1781, 11838), (1973, 10686), (3562, 5919), (3946, 5343)]